Photographic atlas and identification key to the Nearctic genera of the robber flies (Diptera: Asilidae)

Fig. 12: Male genitalia, dorsal and lateral
Dysmachus

Fig. 12: Male genitalia, dorsal and lateral

1 = hypopygium, male terminalia
2 = abdominal tergite 8
3 = abdominal sternite 8
4 = hypandrium, abdominal sternite 9
5 = epandrium (pl. epandria), abdominal tergite 9
6 = epandrial lobe
7 = cerci (sg. cercus), proctiger
8 = gonocoxite, basistylus
9 = gonostylus, dististylus
8+9 = gonopod
10 = aedeagus, penis

Fig. 13: Male genitalia, gonopod
Machimus

Fig. 13: Male genitalia, gonopod

11 = gonocoxale apodeme
12 = ?
13 = basal lobe
14 = gonocoxale foramen ?
15 = ?
16 = apical lobe
17 = ?
18 = ?
19 = ?

Fig. 14: Male genitalia, aedeagus - Apoclea and Grypoctonus

Fig. 14: Male genitalia, aedeagus

20 = aedeagal apodeme (ejaculatory apodem)
21 = paramere, paralobe
22 = aedeagal sheath
23 = basiphallus, theca
24 = distiphallus, juxta, phallus
25 = endoaedeagal process
26 = lateral connection column [2]
27 = opening of gland
28 = endoaedeagus
29 = gonopore, phallotremata
30 = endophallus, tube
31 = ?
32 = ?
33 = ?
34 = ?
35 = ?
36 = parameral sheath
37 = sperm sac within the parameral sheath
38 = ?

Fig. 15: Ovipositor, female genitalia
a. Machimus - b. Dysmachus - c. Laphria - d. Antipalus - e. Stichopogon

Fig. 15: Ovipositor, female genitalia

1 = abdominal tergite 7
2 = abdominal tergite 8
3 = abdominal tergite 9 + 10 ?
4 = paired cerci (sg. cercus), anal lamellae
5 = abdominal sternite 7
6 = abdominal sternite 8
7 = abdominal sternite 9 ? [abdominal sternite 9 is absent in Orthorrhapha sensu Nagatomi & Iwata (1976)]
8 = apex of abdominal tergite 9
10 = acanthophoriten = abdominal tergites 10, which is subdivided into 2 hemitergites
11 = spines [on the acanthophorites]

Fig. 16: Female genitalia, spermatheca - Dysmachus [after Theodor, 1980]

Fig. 16: Female genitalia, spermatheca: spermatheca [a]; receptaculum seminis [b]

1 = reservoir, a coiled tube or sclerotized spiral
2 = glands
3 = duct
4 = muscle
5 = ejection apperatus
6 = valve of ejection apperatus
7 = apodeme of furca
8 = accessory gland
9 = furca
10 = common duct
11 = genital chamber, vagina, bursa copulatrix