|
1a |
Wings absent.
Included:
Ocydromiinae: Apterodromia Oldroyd, 1949 |
|
|
| b |
|
2 |
| |
|
2a |
| Wings modified in such a way that venation is incomplete or invisible. |
|
|
| b |
| Wings fully developed; if shortened then venation appears to be normal. |
|
3 |
| |
|
3a |
| Discal cell absent, vein M unforked. Anal cell (cell Cu) usually absent; if present, then only very small and anal vein scarcely visible. Small predaceous species, 1-5 mm in length. |
| Tachydromiinae |
|
|
| b |
Discal cell present, if absent (Bicellaria  ), then vein M forked into M1 and M2. Anal cell present. |
|
4 |
| |
|
4a |
| Anal cell large, as long as or longer than second basal cell. Discal cell emitting two veins only, vein M2 absent. Hind femora more or less enlarged and/or with long ventral setae. |
| Hybotinae |
|
5 |
| b |
| Anal cell much shorter than second basal cell. Discal cell emitting three veins, though in Ocydromiinae M1 abbreviated or absent. Hind femora slender; if stout (Oedalea), then small ventral spines only near apex and discal cell emitting three veins. |
| Ocydromiinae s.l. |
|
9 |
| |
|
5a |
| Anal cell short, as long as basal cells; radial sector long, much longer than the distance from humeral crossvein to its origin. Wings maculated (in European species). |
| Syneches muscarius (Fabricius, 1794) |
|
|
| b |
| Anal cell much longer than basal cells (in European species); radial sector rather short, at most as long as the distance from the humeral crossvein to its origin. Wings clear or uniformly clouded, not maculated. |
|
6 |
| |
|
6a |
| Basal sector of vein M (separating basal cells) scarcely visible, radial sector very short . Antennae inserted above middle of head in profile . Hind tibiae at tip and hind metatarsi thickened . |
| Syndyas nigripes (Zetterstedt, 1842) |
|
|
| b |
| Basal section of vein M (separating basal cells) distinct, radial sector rather longer . Antennae inserted at or below middle of head in profile . Hind tibiae and metatarsi simple. |
| Hybos |
|
7 |
| |
|
7a |
| Mesonotum polished black except for grey dusted narrow lateral and median strips. Fore and mid legs yellow. Male: fore tibiae and tarsi and hind legs with long pale hairs; genitalia rather small. |
| Hybos femoratus (Müller, 1776) |
|
|
| b |
| Whole surface of mesonotum thinly grey or brownish dusted, at most subshining. Fore and mid legs blackish. |
|
8 |
| |
|
8a |
| Large thoracic setae yellowish. Mid femur with a row of ad setae, mid tibiae with several strong av setae. Mesonotum finely brownish dusted. Hind metatarsus only with short ventral setae , and at least anterior metatarsi translucent brownish. Male: fore tibiae and tarsi rather short pubescent; genitalia very large . |
| Hybos culiciformis (Fabricius, 1775) |
|
|
| b |
| Large thoracic setae black. No ad setae on mid femur and no strong av setae on mid tibia. Mesonotum very thinly grey dusted, rather subshining. Hind metatarsus with short but strong ventral spines and legs quite black. Male: for tibiae and tarsi with very long black hairs; genitalia scarcely broader than tip of abdomen. |
| Hybos grossipes (Linnaeus, 1767) |
|
|
| |
|
9a |
| Vein Rs short, arising near apex of cell bm. |
|
10 |
| b |
| Vein Rs long, arising before or in the middle of cell bm. |
|
11 |
| |
|
10a |
Cell dm long; wing narrow and anal lobe undeveloped;
hind tibia bristled and not geniculate at base; hind femur
banded (Chile, Australasia). |
| Hoplopeza Bezzi |
|
|
| b |
Cell dm short; wing broad and anal lobe developed; hind
tibia lacking bristles and generally geniculate at base;
hind femur not banded (Chile, Australia). |
| Scelolabes Philippi |
|
|
| |
|
11a |
| Three veins emitted from cell dm reaching wing margin. |
|
12 |
| b |
Two veins emitted from cell dm reaching wing margin, if
the cell dm emit three veins then they do not reach the
wing margin. |
|
13 |
| |
|
12a |
| Fore femur greatly swollen, with 2 long basal spine-like setae; antenna inserted above middle of head. |
| Apteromyia Oldroyd, 1949 (winged species) |
|
|
| b |
| Fore femur slender; antenna inserted about middle of head. |
| Neotrichina Sinclair & Cumming |
|
|
| |
|
13a |
| Eyes with ommatrichia. |
| Abocciputa Plant, 1989 |
|
|
| b |
|
14 |
| |
|
14a |
| Abdominal sclerites heavily sclerotized, punctate; pulvilli lacking; male terminalia hidden inside segment 8; antennal style present (Australasian, Neotropical, Oriental and Palaearctic Regions). |
| Chvalaea Papp & Földvári, 2001 |
|
|
| b |
| Abdominal sclerites not heavily sclerotized; pulvilli present; male terminalia exposed; if the abdominal sclerites are heavily sclerotized then antennal style lacking (some Oropezella). |
|
15 |
| |
|
15a |
| Short M1 vein arising from cell dm. |
|
16 |
| b |
|
17 |
| |
|
16a |
| Antennae inserted above middle of head. Anal lobe of wing weakly developed. |
| Leptodromia Sinclair, 2000 |
|
|
| b |
| Antennae inserted at about middle of head. Anal lobe of wing well developed. |
| Leptopeza Macquart, 1827 |
|
|
| |
|
17a |
| Anal lobe not developed, wing narrow; in doubtful cases antennal inserted high on head. |
|
18 |
| b |
| Anal lobe partially or strongly developed, wing broad; antennae inserted near middle of head. |
|
19 |
| |
|
18a |
Acrostichal setulae present (Australasian, Neotropical, and
Palaearctic Regions). |
| Oropezella Collin, 1926 |
|
|
| b |
| Acrostichal setulae absent (Malaysia). |
| Stylocydromia Saigusa, 1986 |
|
|
| |
|
19a |
| First antennal flagellomere ovate, style supra-apicaloval; cell cup long, reaching near apex of cell bm (Afrotropical, Oriental, and Holarctic Regions). |
| Ocydromia Meigen, 1820 |
|
|
| b |
First antennal flagellomere conical, style (if present) terminal; cell cup short, reaching only middle of
cell bm. |
|
20 |
| |
|
20a |
| Hind femur swollen (New Zealand). |
| Pseudoscelolabes Collin, 1933 |
|
|
| b |
| Hind femur slender (Australia and New Zealand). |
| Austropeza Plant, 1989 |
|
|
| |
| (printable version) |
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