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Apocleinae
Amblyonychus
Eccritosia
Furcilla
Mallophora
Megaphorus
Nevadasilus
Proctacanthella
Proctacanthus
Promachella
Promachus
Efferia-group
Albibarbefferia
Aridefferia
Carinefferia
Efferia
Nerax
Pogonioefferia *
Triorla
Tuberculefferia

Pogonioefferia Artigas & Papavero, 1997
[Apocleinae: Efferia-group]

Neotropical Nearctic Palaearctic Afrotropical Oriental Australian & Oceania
? typ.loc.        

Description: Artigas, J.N. & Papavero, N. (1997): The American genera of Asilidae (Diptera): Keys for identification with an atlas of female spermathecae and other morphological details. IX.2. Subfamily Asilinae Leach - Efferia-group, with the proposal of five new genera and a catalogue of the species. - Arquivos de Zoologia do Estado de Sao Paulo 34(3): 65-95 [73]; Sao Paulo.
Type species: Asilus pogonias Wiedemann, 1821: 198
Literature: Coquillett, D.W. (1893): A new asilid genus related to Erax. - The Canadian Entomologist 25: 175-177; Ottawa [key]. Hine, J.S. (1919): Robber flies of the genus Erax. - Annals of the Entomological Society of America 12(2): 103-157, pls. 7-9; Columbus [key]. Wilcox, J. (1966): Efferia Coquillett in America North of Mexico (Diptera, Asilidae). - Proceedings of the California Academy of Sciences 34: 85-234; San Francisco [key]. Parks, L. (1968): Synopsis of robberfly genera allied to Efferia and Eicherax, including a new genus. - Pan-Pacific Entomologist 44: 171-179; San Francisco [key]. Bullington, S.W. & Lavigne, R.J. (1984): Description and habitat of Efferia kondratieffi sp. nov. with notes on Efferia aestuans (L.) (Diptera: Asilidae). - Annals of the Entomological Society of America 77: 404-413; Columbus [key]. Forbes, G.S. (1988): Three new species of Efferia from southern California and Arizona (Diptera: Asilidae). - Annals of the Entomological Society of America 81: 554-559; Columbus.

Nearctic species:

  1. Efferia anza Forbes, 1988 [new combination is necessary]
  2. Pogonioefferia argentifrons (Hine, 1911)
  3. Pogonioefferia argyrosoma (Hine, 1911)
  4. Pogonioefferia auripila (Hine, 1916)
  5. Pogonioefferia basini (Wilcox, 1966)
  6. Pogonioefferia benedicti (Bromley, 1940)
  7. Pogonioefferia bexarensis (Bromley, 1934)
  8. Pogonioefferia bicaudata (Hine, 1919)
  9. Pogonioefferia cabeza (Wilcox, 1966)
  10. Pogonioefferia californicus (Schaeffer, 1916)
  11. Pogonioefferia cana (Hine, 1916)
  12. Pogonioefferia canella (Bromley, 1934)
  13. Pogonioefferia clementei (Wilcox & Martin, 1945)
  14. Pogonioefferia coquilletti (Hine, 1919)
  15. Pogonioefferia deserti (Wilcox, 1966)
  16. Pogonioefferia dubius (Williston, 1885)
  17. Pogonioefferia ehrenbergi (Wilcox, 1966)
  18. Pogonioefferia frewingi (Wilcox, 1966)
  19. Pogonioefferia helenae (Bromley, 1951)
  20. Pogonioefferia inflata (Hine, 1911)
  21. Pogonioefferia kelloggi (Wilcox, 1966)
  22. Pogonioefferia mesquite (Bromley, 1951)
  23. Pogonioefferia monki (Bromley, 1951)
  24. Pogonioefferia mortensoni (Wilcox, 1966)
  25. Pogonioefferia nemoralis (Hine, 1911)
  26. Pogonioefferia neoinflata (Wilcox, 1966)
  27. Pogonioefferia pallidula (Hine, 1911)
  28. Pogonioefferia parkeri (Wilcox, 1966)
  29. Pogonioefferia pilosus (Hine, 1919)
  30. Pogonioefferia plena (Hine, 1916)
  31. Pogonioefferia pogonias (Wiedemann, 1821)
  32. Pogonioefferia prairiensis (Bromley, 1934)]
  33. Pogonioefferia rapax (Osten-Sacken, 1887)
  34. Pogonioefferia staminea (Williston, 1885)
  35. Pogonioefferia texana (Banks in Hine, 1919)
  36. Pogonioefferia triton (Osten-Sacken, 1887)
  37. Pogonioefferia truncata (Hine, 1911)
  38. Pogonioefferia utahensis (Bromley, 1937)
  39. Pogonioefferia varipes (Williston, 1885)
  40. Pogonioefferia wilcoxi (Bromley, 1940)
  41. Pogonioefferia yermo (Wilcox, 1966)
  42. Pogonioefferia yuma (Wilcox, 1966)

Pogonioefferia rapax (Osten-Sacken, 1887)

- male -

dorsal view   lateral view
head dorsal   head lateral
head frontal   scutum dorsal
scutum lateral   anterior scutum lateral
scutum frontal   scutellum dorsal
scutellum lateral   wing
wing   abdomen dorsal
abdomen lateral   hypopygium lateral
hypopygium lateral   hypandrium

- female -

dorsal view   lateral view
head lateral   scutum lateral
wing   wing
wing   wing
abdomen dorsal   abdomen lateral
ovipositor lateral   ovipositor dorsal


Key to the species

Founded on: Wilcox, J. (1966): Efferia Coquillett in America North of Mexico (Diptera, Asilidae). - Proceedings of the California Academy of Sciences 34: 85-234; San Francisco. [amended]

Unrecognized species: Efferia anza Forbes, 1988 [CA] (Remark: A new combination is necessary); Pogonioefferia dubius (Williston, 1885) [WA, AZ, WY]; and Pogonioefferia triton (Osten-Sacken, 1887) [SIL, NAY, HON?, AZ, NM, KS?, TX, SON]

Groups

1 Scutum anteriorly with bristles or bristle-like hairs as long or longer than antennal segments 1-2. Male abdominal repeats 2-5, usually blackish basally without parted hairs, segments 6-7 white tomentose. Ovipositor pointed and split at tip . . . . . pogonias Group
. . . . . Males
. . . . . Females
 
- Scutum anteriorly usually with short hairs, if longer not bristle-like. Male abdomen usually grayish tomentose and frequently with long parted hairs. Ovipositor rounded at tip, not split . . . . . staminea Group
. . . . . Males
. . . . . Females
 

Males of the pogonias group

1 Abdominal segments 2-7 gray tomentose and with white parted hair. Length 11-16 mm . . . . . Pogonioefferia pilosus (Hine, 1919) [TX, NM, AZ]  
- Abdominal segments 2-5 brown or blackish basally, 6-7 silvery, without white parted hair on any segments. Larger species 4

4 Scutellar bristles black. 5
- Scutellar bristles largely or in part white. 7

5 Scutellar hairs largely white. Dorsum of abdominal segments 1-4 and venter of 2-3 with black hairs. Length 14-25 mm . . . . . Pogonioefferia frewingi (Wilcox, 1966) [OR, CA, UT, NV, ID, WY, BCA, ALB]  
- Scutellar hairs black. Dorsum of abdominal segments 1-5 and venter of 2-5, black haired. 6

6 Mystax yellow, usually a few black bristles below laterally. Surstyli usually all black haired, sometimes yellowish haired laterally. Length 18-27 mm . . . . . Pogonioefferia pogonias (Wiedemann, 1821) [MN, IA, KS, MO, OK, AR, TX, WI, IL, MS, MI, IN, KY, TN, AL, OH, GA, FL, SC, NC, VA, WV, PA, NY, VT, ME, NH, MA, RI, CT, NJ, DE, MD, DC, CAN?, MAN?, ALB?]  
- Mystax white, usually with black bristles above and below laterally. Surstyli white haired laterally. Length 19-28 mm . . . . . Pogonioefferia kelloggi (Wilcox, 1966) [AZ, NM, MEX]  

7 At least some of the hairs at base of scutellum white. 8
- Discal hairs of scutellum black, sometimes a few white laterally. 9

8 Mystax white. Scutellar hairs white and bristles usually all white. Abdomen all white haired. Length 18-26 mm . . . . . Pogonioefferia utahensis (Bromley, 1937) [UT]  
- Mystax usually with a few black hairs or bristles below. Scutellar hairs usually in part black. At least abdominal segments 1-2 with black hairs dorsally. Length 14-23 mm . . . . . Pogonioefferia bicaudata (Hine, 1919) [CO, MT, ID, WY, UT, CO, NM, TX, OK, NE, ND, SD, ALB, BCA, MAN, SKW, KS?]  

9 Mystax white with 4-5 black bristles below laterally. Occipital bristles usually black above. Dorsum of abdominal segments 1-4 or 5 black haired and usually venter of 2-3. Length 18-31 mm . . . . . Pogonioefferia helenae (Bromley, 1951) [CO, AZ, TX, NM, UT, WY, ID, MT, NE, SD, ND, KS, MAN, ALB, SKW]  
- Mystax all white, at most 1-2 black bristles below. Occipital bristles whitish. Venter of abdomen white haired 10

10 Scutellar hairs subequal in length to antennal segment 1. Anterior mesonotal crest subequal in length to antennae 1. Length 19-26 mm . . . . . Pogonioefferia cabeza (Wilcox, 1966) [AZ]  
- Scutellar hairs longer than antennal segments 1-2. Anterior mesonotal crest as long as antennae 1-2. Length 16-29 mm . . . . . Pogonioefferia mortensoni (Wilcox, 1966) [AZ, NM, UT, CA]  

Females of the pogonias group

1 Scutum anteriorly with hairs shorter than antennal segment 2. Abdomen gray tomentose. Ovipositor 2.6-2.8 mm long . . . . . Pogonioefferia pilosus (Hine, 1919) [TX, NM, AZ]  
- Scutum anteriorly with hairs at least as long as antennal segment 1. Ovipositor at least 4.0 mm long. 4

4 Scutellar bristles all or largely black. 5
- Scutellar bristles all white. 7

5 Mystax yellow; dorsum of abdominal segments 1-7 and at least venter of 2-3, black haired. Ovipositor 4.1 mm long . . . . . Pogonioefferia pogonias (Wiedemann, 1821) [MN, IA, KS, MO, OK, AR, TX, WI, IL, MS, MI, IN, KY, TN, AL, OH, GA, FL, SC, NC, VA, WV, PA, NY, VT, ME, NH, MA, RI, CT, NJ, DE, MD, DC, CAN?, MAN?, ALB?]  
- Mystax white. 6

6 Mystax with 8-16 black bristles. Venter of abdomen white haired, dorsum sometimes with black hairs narrowly on center line. Ovipositor 4.7 mm long . . . . . Pogonioefferia frewingi (Wilcox, 1966) [OR, CA, UT, NV, ID, WY, BCA, ALB]  
- Mystax usually with more than 20 black bristles. Venter of abdominal segments 2-5 or more with a few coarse black hairs, dorsum of 1-7 or 2-7 black haired. Ovipositor 4.2 mm long . . . . . Pogonioefferia kelloggi (Wilcox, 1966) [AZ, NM, MEX]  

7 Anterior mesonotal crest subequal in length to antennae 1. Discal hairs of scutellum shorter than antennae 1, largely white. Ovipositor 4.6 mm long . . . . . Pogonioefferia cabeza (Wilcox, 1966) [AZ]  
- Anterior mesonotal crest as long or longer than antennae 1-2 . Scutellar hairs as long as antennae 1-2. 8

8 Dorsum of abdomen at least in part black haired. 9
- Abdomen all white haired. 10

9 Usually only abdominal segments 6-7 narrowly black haired dorsally. Mystax all white. Ovipositor 4.6 mm long . . . . . Pogonioefferia mortensoni (Wilcox, 1966) [AZ, NM, UT, CA]  
- Albdominal segments 1-7 usually broadly black haired. 3-4 black bristles and a few black hairs below in mystax. Ovipositor 4.2 mm long . . . . . Pogonioefferia helenae (Bromley, 1951) [CO, AZ, TX, NM, UT, WY, ID, MT, NE, SD, ND, KS, MAN, ALB, SKW]  

10 Fore and middle tibiae and tarsi usually all reddish. Ovipositor 4.6 mm long . . . . . Pogonioefferia bicaudata (Hine, 1919) [CO, MT, ID, WY, UT, CO, NM, TX, OK, NE, ND, SD, ALB, BCA, MAN, SKW, KS?]  
- Fore and middle tibiae and tarsi black, basal half of tibiae brownish dorsally. Ovipositor 4.0 mm long . . . . . Pogonioefferia utahensis (Bromley, 1937) [UT]  

Males of the staminea group

1 Posterior side of the femora red. 3
- Femora black, sometimes reddish at base and apex. 4

3 Sternite 8 produced and nearly twice as long as sternite 7. Surstyli truncate apically with 2 lobes on upper part. Abdominal segments 2-4 blackish basally. Length 20-24 mm . . . . . Pogonioefferia canella (Bromley, 1934) [AZ, MEX]  
- Sternite 8 not produced and about 1/2 length of sternite 7, Surstyli broadly rounded apically and with 2 small lobes at middle. Abdomen yellowish gray tomentose. Length 22-28 mm . . . . . Pogonioefferia varipes (Williston, 1885) [AZ, NM, KS, CO, TX, WY?, OK]  

4 Mystax with black and white hairs and bristles. 5
- Mystax all white or yellowish, at most 1-2 black bristles. 7

5 Scutellum with dense clumps of white parted hairs on disc. Abdominal segments 1-2 and 8 yellowish gray tomentose, 3-7 silvery tomentose, 2-7 with white parted hair. Length 18-19 mm . . . . . Pogonioefferia clementei (Wilcox & Martin, 1945) [CA]  
- Scutellum with sparse erect hairs. Abdomen silvery tomentose, segment 1 and base of brown, segments 2-5 with white parted hairs. 6

6 Surstyli from dorsal view 2.5-3.0 mm wide near apes. Venter of abdomen largely black haired. Length 20-23 mm . . . . . Pogonioefferia inflata (Hine, 1911) [CA, MEX]  
- Surstpli from dorsal view 2.0 mm wide near apex. Venter of abdomen white haired, sometimes black on 3-4. Length 20-22 mm . . . . . Pogonioefferia neoinflata (Wilcox, 1966) [CA]  

7 Mystax yellow or yellowish. 8
- Mystax white. 2

8 Scutellar bristles black. 9
- Scutellar bristles yellowish. 10

9 Abdominal segments 1-3 brown tomentose, 4-7 silvery tomentose, 4 with white parted hair. Anterior mesonotal hairs subequal in length to antennae 2. Length 23-30 mm . . . . . Pogonioefferia plena (Hine, 1916) [KS, OK, TX]  
- Adominal segments 1-3 and 7 brown tomentose, 3-6 silvery tomentose, apex of 3 and 4 with white parted hair. Anterior mesonotal hairs subequal in length to antennae 1. Length 24-27 mm . . . . . Pogonioefferia nemoralis (Hine, 1911) [LA, KS, OK, OH, VA, WV, NC, GA, SC, AR]  

10 Abdomen mith white parted hair on 3 or more segments. 11
- No white parted hairs on abdomen. 12

11 Abdominal segment 2 apically and 3-7 silvery tomentose with white parted hair becoming very short on 6-7. Lower forceps with long tail, fringe brown and long dense. Length 15-18 mm . . . . . Pogonioefferia staminea (Williston, 1885) [MT, MT, WY, CO, UT, SD, KS, BCA]  
- Abdominal segment 3 apically and 4-7 silvery tomentose with white parted hair becoming very short on 6-7. Lower forceps with short tail, fringe golden and short sparse. Length 20-25 mm . . . . . Pogonioefferia rapax (Osten-Sacken, 1887) [AZ, NM, UT, TX, CO, KS, MEX]  

12 Abdominal segments 2-7 silvery tomentose. Terminalia reddish, surstyli in lateral view slender and tapers apically. Length 18-25 mm . . . . . Pogonioefferia bexarensis (Bromley, 1934) [TX, NM, OK]  
- Only apical abdominal segments silvery. Terminalia brown. 13

13 Abdominal segments 3-5 brown basally, 6-7 silvery. Scutellar hairs and bristles yellow, hairs dense and as long as bristles. Length 16-26 mm . . . . . Pogonioefferia auripila (Hine, 1916) [TX, OK?]  
- Abdominal segments 2-6 brown basally, 7 silvery. Scutellar bristles brown (sometimes yellowish). Discal hairs sparse yellowish and about 1/2 length of bristles. Length 21-26 mm . . . . . Pogonioefferia prairiensis (Bromley, 1934)] [TX, KS, OK]  

14 Sternite 8 shorter than sternite 7, not produced apically. 15
- Sternite 8 as long or longer than sternite 7, produced apically 27

15 Abdomen brown tomentose, segments 1 and, sides and posterior margins of 2-6 and anterior margins of 2-3, gray tomentose. No long white hairs on any segments. Terminalia yellowish red. Scutellar bristles white. Length 9-12 mm . . . . . Pogonioefferia wilcoxi (Bromley, 1940) [TX, AZ, NM]  
- Abdomen with white parted hair on one or more segments. 16

16 Segment 2 and 3 of abdomen black basally. 17
- Abdomen wholly gray or white tomentose. 20

17 Surstyli broad, similar to E. nemoralis but more rounded apically, in dorsal view not wider apically than at base. Abdominal segments 3 posteriorly and 4-7 silvery tomentose. Posterior margin of 3 and 4-6 with white parted hair. Length 18-21 mm . . . . . Pogonioefferia monki (Bromley, 1951) [TX]  
- Surstyli in side view narrower than in E. nev~oralis,in dorsal view broader apically than at base. Abdominal segment 3 apically and 4-7 with dense white parted hair. 18

18 Surstyli near apex in dorzal view 1 1/2 times as wide as at the base, in lateral view rounded apically with a short narrow flange. Face at antennae 30/40 width of one eye. Male & female. Length 12-19 mm . . . . . Pogonioefferia coquilletti (Hine, 1919) [CA, AZ, NV, MEX]  
- Surstyli near apex in dorsal view 1 1/4 times as wide as at the base, in lateral view slightly narrowed apically with a broad flange. 19

19 Hairs anteriorly on scutum as long as antennae 1-2, about 8 anterior dorsocentral bristles. Male face 25/35, female 25/38 width of one eye. Length 12-20 mm . . . . . Pogonioefferia parkeri (Wilcox, 1966) [AZ, TX, MEX]  
- Hairs anteriorly on scutum as long as antennae 1, at most 2-3 anterior dorsocenlral bristles. Male face 25/'36, female 28/41 width of one eye. Length 13-20 mm . . . . . Pogonioefferia ehrenbergi (Wilcox, 1966) [AZ, CA?, MEX]  

20 Abdominal segments 2-4 with long white parted hair, short parted on 5-7. 21
- Abdominal segments 2-7 with white parted hair 22

21 Terminalia reddish to brown. Surstyli truncate at apex, lower forceps with sparse fringe of white and black hairs. 6-8 black scutellar bristles. Discal hairs short black. Length 22-30 mm . . . . . Pogonioefferia truncata (Hine, 1911) [AZ, CO, UT, NM]  
- Terminalia black. Surstyli rounded apically with an apical flange and tuft of white and black hairs, lower forceps with a dense fringe of white and brown hairs. 20 white scutellar bristles. Discal hairs white and as long as the bristles. Length 15-25 mm . . . . . Pogonioefferia cana (Hine, 1916) [CA, AZ, NV, UT, CO, CAN?, BCA?, MEX]  

22 Scutellar bristles black. Terminalia black, from above narrower than segment 6, sides parallel, not swollen at tip, from side, general outline cylindrical. Sternite 7 with a Iittle tuft of black hairs. Length 13 mm . . . . . Pogonioefferia mesquite (Bromley, 1951) [TX]  
- Scutellar bristles white. 23

23 Terminalia red. Discal hairs of scutellum sparse and about 1/2 length of marginal bristles. Surstyli with a narrow flange apically, lower forceps with a sparse fringe of white hairs. Femora narrowly reddish at base and apex. Length 11-16 mm. . . . . Pogonioefferia pilosus (Hine, 1919) [TX, NM, AZ]  
- Terminalia black. Discal hairs of scutellum dense and as long as the marginal bristles 24

24 Palpi in part black haired. Leg bristles largely black. Surstyli truncate apically. Length 15-17 mm . . . . . Pogonioefferia benedicti (Bromley, 1940) [AZ, WA, ID, OR, NV, CA, UT, AZ, BCA]  
- Palpi white haired. Leg bristles white. 25

25 Surstyli in lateral view wider at apex than at base, apical margin concave, dorsum with black hairs. Upper occipitals black. Length 16-20 mm . . . . . Pogonioefferia yermo (Wilcox, 1966) [CA]  
- Surstyli in lateral view not wider at apex than at base, apical margin convex, terminalia all white haired. Occipital bristles usually all white. 26

26 Parted hairs on abdomen dense and extending over lateral margins on segments 2-7, venter 1-7 with erect hairs. 4-6 slender black anterior dorsocentral bristles. Length 12-19 mm . . . . . Pogonioefferia yuma (Wilcox, 1966) [AZ, CA, MEX]  
- Parted hairs on abdomen dense on 2-4, recumbent and not extending over lateral margins on 5-7, short on venter of 5-7. No anterior dorsocentral bristles. Length 17-24 mm . . . . . Pogonioefferia deserti (Wilcox, 1966) [CA, NV, AZ, UT, MEX]  

27 Abdominal hairs sparse, longer and somewhat parted posteriorly on segments 2-3. 28
- Long white parted hairs on abdominal segments 2-4 at least. 30

28 Abdomen uniformly gray tomentose. Discal hairs of scutellum white. Surstyli in dorsal view nearly as wide as tergite 7, somewhat broader apically. Length 18-26 mm . . . . . Pogonioefferia californicus (Schaeffer, 1916) [CA, OR, NV, MT?, WA?]  
- Abdominal segments black basally. Discal hairs of scutellum in part black. Surstyli in dorsal view much narrolver than tergite 7, of nearly uniform width. 29

29 Abdominal segments 2-6 black basally, 6 sometimes and 7 silvery. Scutellar hairs all black. Sternite 8 broad, truncate apically. hairs black or white. Length 23-30 mm . . . . . Pogonioefferia texana (Banks in Hine, 1919) [TX, AZ?, OK, KS, NM]  
- Abdominal segments 2-4 black basally, 5-7 gray tomentose. Scutellar hairs black and white. Sternite 8 narrow apically with black hairs. Length 20-24 mm . . . . . Pogonioefferia canella (Bromley, 1934) [AZ, MEX]  

30 Terminalia largely white haired. Abdomen gray tomentose at most, segments 6-7 white tomentose, sternite 8 white haired. 31
- Terminalia largely black haired. Abdomen white tomentose, sternite 8 black haired. 32

31 Surstyli in lateral view narrowed apically, apex divided and the upper lobe larger than the lower lobe. Abdominal segments 2-5 brown tomentose basally, 6-7 white tomentose. Length 23-25 mm . . . . . Pogonioefferia argyrosoma (Hine, 1911) [NM, CO, KS, OK, AR, TX, MEX]  
- Surstyli in lateral view broadened apically, not divided at apex but with a rounded lobe above on the margin. Abdomen gray tomentose, thin sometimes on segment 2. Length 15-25 mm . . . . . Pogonioefferia benedicti (Bromley, 1940) [AZ, WA, ID, OR, NV, CA, UT, AZ, BCA]  

32 Surstyli divided at apex, lower lobe slightly larger than the upper lobe. Scutellar hairs and bristles largely black. Scutum and abdominal segments 1-2 yellowish pollinose. Length 18-23 mm . . . . . Pogonioefferia argentifrons (Hine, 1911) [KS, TX, OK, NM, SD?]  
- Surstyli not divided at apex. Scutellar hairs white. 33

33 Surstyli in lateral view narrowed apically, the large rounded triangular lobe almost covering the apex. Scutellar bristles white. Anterior mesonotal hairs subequal in length to antennae 2. Length 18-28 mm . . . . . Pogonioefferia pallidula (Hine, 1911) [NM, WY, NE, CO, KS, OK, TX, SD, KS?]  
- Surstyli in lateral view not narrowed apically, apex truncate with a rounded lobe on the upper half. Scutellar bristles black. Anterior mesonotal hairs as long as antennae 1-2. Length 15-21 . . . . . Pogonioefferia basini (Wilcox, 1966) [NV, WA, OR, ID, UT, AZ]  

Females of the pogonias group

1 Posterior side of the femora red. 3
- Femora black, sometimes reddish at tip. 4

3 Ovipositor broad for its entire length, 4.5 mm long . . . . . Pogonioefferia varipes (Williston, 1885) [AZ, NM, KS, CO, TX, WY?, OK]  
- Ovipositor much narrower at apex than at base, 5.2 mm long . . . . . Pogonioefferia canella (Bromley, 1934) [AZ, MEX]  

4 Mystax with black and white hairs or bristles. 5
- Mystax white or yellowish, at most 1-2 black bristles below. 7

5 Ovipositor at base of tergite 8 with a rounded tubercle below on each side, 5.1 mm long . . . . . Pogonioefferia inflata (Hine, 1911) [CA, MEX]  
- Ovipositor usually without definite basal tubercles 6

6 Scutellum with dense white parted hairs on disc. Ovipositor mithout basal swelling, 3.9 mm long . . . . . Pogonioefferia clementei (Wilcox & Martin, 1945) [CA]  
- Scutellum with short sparse erect mostly white hairs on disc. Ovipositor with basal swelling, 5.2 mm long . . . . . Pogonioefferia neoinflata (Wilcox, 1966) [CA]  

7 Mystax yellow or yellowish. 8
- Mystax white. 14

8 Ovipositor abruptly narrowed apically or of uniform width, tergite 9 nearly 2 times length of cerci. 9
- Ovipositor gradually narrowing apically, tergite 9 and cerci subequal in length. 13

9 Scutellar bristles black. 10
- Scutellar bristles white or yellowish. 11

10 Abdominal segments 2-6 brown basally, 7 all brown, 6-7 black haired dorsally; scutellar hairs black. Ovipositor 5.9 mm long . . . . . Pogonioefferia nemoralis (Hine, 1911) [LA, KS, OK, OH, VA, WV, NC, GA, SC, AR]  
- Abdomen all yellowish tomentose and yellowish haired; scutellar hairs yellow; ovipositor 5.9 mm long . . . . . Pogonioefferia plena (Hine, 1916) [KS, OK, TX]  

11 Scutellar hairs yellowish and nearly as long as the marginal bristles. Ovipositor 3.7 mm long . . . . . Pogonioefferia auripila (Hine, 1916) [TX, OK?]  
- Scutellar hairs much shorter than the marginal bristles. 12

12 Scutellar hairs yellow. Ovipositor broad and of nearly uniform width, 3.6 mm long . . . . . Pogonioefferia bexarensis (Bromley, 1934) [TX, NM, OK]  
- Scutellar hairs all or in part black; apical 2/3 of ovipositor narrow, 3.6 mm long . . . . . Pogonioefferia prairiensis (Bromley, 1934)] [TX, KS, OK]  

13 Fore femora below with long fine bristles; scutellar hairs in part black. Ovipositor 4.2 mm long . . . . . Pogonioefferia staminea (Williston, 1885) [MT, MT, WY, CO, UT, SD, KS, BCA]  
- Fore femora below with stout bristles; scutellar hairs all yellowish. Ovipositor 4.3 mm long . . . . . Pogonioefferia rapax (Osten-Sacken, 1887) [AZ, NM, UT, TX, CO, KS, MEX]  

14 Third vein forked beyond the middle of the distance between the anterior and discal crossvein; anterior mesonotal hairs as long as antennal segment 1. 15
- Third vein forked at or before the middle of the distance between the anterior and discal crossvein; anterior mesonotal hairs usually not longer than antennal segment 2. 24

15 Scutellar and occipital bristles white. 16
- Scutellar and occipital bristles at least in part black. 21

16 Ten scutellar bristles or less. 17
- Twelve or more scutellar bristles. 18

17 Abdomen grayish tomentose, the dorsum appearing black at some angles; 8-10 scutellar bristles. Ovipositor black, forked at tip, 2.5 mm long . . . . . Pogonioefferia pilosus (Hine, 1919) [TX, NM, AZ]  
- Dorsum of abdominal segments brown tomentose, sides and posterior margins gray; 6-8 scutellar bristles. Ovipositor reddish at base, 2.2 mm long . . . . . Pogonioefferia wilcoxi (Bromley, 1940) [TX, AZ, NM]  

18 Anterior branch of the third vein ends in the costa. Abdominal segment 2 with long more or less parted hairs, 6-7 black haired dorsally. Ovipositor 4.0 mm long . . . . . Pogonioefferia cana (Hine, 1916) [CA, AZ, NV, UT, CO, CAN?, BCA?, MEX]  
- Anterior branch of the third vein usually ends in the second vein; at least abdominal segments 2-3 with long more or less parted hairs. 19

19 Abdominal segments 2-3 with long more or less parted hairs, 7 black haired dorsally; ovipositor 5.2 mm long . . . . . Pogonioefferia yermo (Wilcox, 1966) [CA]  
- Abdominal segments 2-4 with long more or less parted hairs, all white haired; ovipositor 3.1 to 3.6 mm long. 20

20 Tarsi brown; no anterior dorsocentral bristles. Ovipositor 3.6 mm long . . . . . Pogonioefferia deserti (Wilcox, 1966) [CA, NV, AZ, UT, MEX]  
- Tarsi yellowish red; 4-5 slender anterior dorsocentral bristles, usually black; ovipositor 3.1 mm long . . . . . Pogonioefferia yuma (Wilcox, 1966) [AZ, CA, MEX]  

21 Abdomen wholly gray tomentose. Ovipositor as long as abdominal segments 3-7 . . . . . Pogonioefferia monki (Bromley, 1951) [TX]  
- Abdomen black dorsally. gray laterally. 22

22 Abdominal segments 2-7 with black hairs dorsally; scutellar and occipital bristles in part black. Ovipositor 4.4 mm long . . . . . Pogonioefferia ehrenbergi (Wilcox, 1966) [AZ, CA?, MEX]  
- At most abdominal segments 6-7 with black hairs dorsally. 23

23 Abdomen all white haired; scutellar and occipital bristles in part black. Ovipositor 2.9 mm long . . . . . Pogonioefferia parkeri (Wilcox, 1966) [AZ, TX, MEX]  
- Abdominal segments 6-7 black haired dorsally; scutellar bristles frequently all white, occipitals in part black. Ovipositor 3.8 mm long . . . . . Pogonioefferia coquilletti (Hine, 1919) [CA, AZ, NV, MEX]  

24 Third vein branched at the middle of the distance between the anterior and discal crossvein. 25
- Third vein branched before the middle of the distance between the anterior and discal crossvein. 26

25 Scutellar bristles black. Ovipositor about as long as abdominal segments 3-7 . . . . . Pogonioefferia mesquite (Bromley, 1951) [TX]  
- Scutellar bristles white. Ovipositor equal in length to abdominal segments 4-7 . . . . . Pogonioefferia benedicti (Bromley, 1940) [AZ, WA, ID, OR, NV, CA, UT, AZ, BCA]  

26 Ovipositor 5.8 mm long or longer. 27
- Ovipositor at most 5.2 mm long . 28

27 Abdominal segments 2-5 gray tomentose, 6-7 brownish. Ovipositor with a wedge shaped projection at the base of sternite 8, 6.5 mm long . . . . . Pogonioefferia truncata (Hine, 1911) [AZ, CO, UT, NM]  
- Abdominal segments 2-6 basally and 7 largely black. Ovipositor without basal projection, 5.8 mm long . . . . . Pogonioefferia texana (Banks in Hine, 1919) [TX, AZ?, OK, KS, NM]  

28 Scutellar bristles black. 29
- Scutellar bristles white. 32

29 Palpi white haired. 30
- Palpi at least in part black haired. 31

30 Abdominal segments 6-7 black haired dorsally. Ovipositor 5.1 mm long . . . . . Pogonioefferia argyrosoma (Hine, 1911) [NM, CO, KS, OK, AR, TX, MEX]  
- Abdomen white haired. Ovipositor 4.3 mm long . . . . . Pogonioefferia argentifrons (Hine, 1911) [KS, TX, OK, NM, SD?]  

31 Abdomen gray tomentose, dorsum of 2-6 and all of 7 brown, a few black hairs dorsally on 1-4 and many on 5-7. Ovipositor 5.2 mm long . . . . . Pogonioefferia californicus (Schaeffer, 1916) [CA, OR, NV, MT?, WA?]  
- Abdomen gray tomentose the dorsum appearing black, dorsum of 5-6 with a few and 7 with many black hairs. Ovipositor 5.2 mm long . . . . . Pogonioefferia canella (Bromley, 1934) [AZ, MEX]  

32 Anterior mesonotal hairs as long as antennae 1; scutellar hairs nearly as long as the bristles, sometimes 1-3 of the bristles black. Ovipositor 4.0 mm long . . . . . Pogonioefferia basini (Wilcox, 1966) [NV, WA, OR, ID, UT, AZ]  
- Anterior mesonotal hairs shorter than antennae 2; scutellar hairs 1/2 length oi the bristles. 33

33 Abdomen white haired; bristles of head and scutum all or largely white; ovipositor of nearly uniiorm width, 4.7 mm long . . . . . Pogonioefferia benedicti (Bromley, 1940) [AZ, WA, ID, OR, NV, CA, UT, AZ, BCA]  
- Abdominal segment 7 black haired dorsally; occipital and mesonotal bristles partly to largely black; ovipositor tapering from base tp apex, 4.4. mm long . . . . . Pogonioefferia pallidula (Hine, 1911) [NM, WY, NE, CO, KS, OK, TX, SD, KS?]  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Contents: © Fritz Geller-Grimm, Jorge N. Artigas, 2007
Layout & images: © Fritz Geller-Grimm, 2007