Key to genera [pdf]

by Thomas Simonsen
uploaded 16 February 2010
(Modified from Neunzig 1997, Simonsen 2008, and Heinrich 1956)
1
Male
...2
Female
...21
2
Antenna bipectinate
...3
Antenna not bipectinate
...8
3
Flagellum of antenna with dorso-basal patch of scale-like sensilla
Flagellum of antenna without such patch
...4
4
Abdomen 8 with two pair of ventro-lateral scale tufts
Abdomen 8 without two such tufts
...5
5
Forewing with M2 and M3 divided for less than half their length
Forewing with M2 and M3 divided for more than half their length
...6
6
Sharp ridge between eye and labial palpus; ocellus placed in an anterior incision of chaetosomata
...7
No ridge between eye and labial palpus; ocellus placed adjacent to chaetosomata
7
Antecosta of male T8 laterally lyre shaped
Antecosta of male T8 laterally curved but not lyre shaped
8
Flagellum of antenna with dorso-basal patch of scale-like sensilla
...9
Flagellum of antenna without such patch
...11
9
Hair-like sensilla on antenna almost as long as segments are wide
...10
Hair-like sensilla on antenna clearly shorter than width of segment
10
Forewing with Rs2+3 and Rs4 diverging after the end of Rs1; forewing with M2 and M3 divided for less than half their length
Forewing with Rs2+3and Rs4 diverging before the end of Rs1; forewing with M2 and M3 diverged for more than half their length
11
Haustellum absent
...Rostrolaetilia
Haustellum present
...12
12
Antenna serrate
...13
Antenna not serrate
...18
13
Maxillary palpus fan-shaped
...14
Maxillary palpus not fan-shaped
14
Hair-like sensilla on antenna almost as long as segments are wide
...15
Hair-like sensilla on antenna clearly shorter than width of segment
15
Sharp ridge between eye and labial palpus
...16
No ridge between eye and labial palpus
16
Terminal segment of maxillary palpus pointed outwards
Terminal segment of maxillary palpus not pointed outwards
...17
17
Head of gnathos fused except most terminally
Head of gnathos not fused except dorso-basally
18
Dorsal base of uncus with a pair of rounded bumps
...Rumatha
Dorsal base of uncus without rounded bumps
...19
19
Sharp ridge between eye and labial palpus
...20
No ridge between eye and labial palpus
20
Chaetosomata placed posterior to dorso-basal corner of eye; tergal antecosta of A3 M-shaped
Chaetosomata placed anterior to dorso-basal corner of eye; tergal antecosta of A3 ring-shaped
....Rhagea
21
Dorsal sclerotization of abdomen 8 in lateral view triangular and saddle- shaped
...22
Dorsal sclerotization of abdomen 8 different
...25
22
Antenna bipectinate
Antenna not bipectinate
...23
23
Lamella antevaginalis prominent, entire and sclerotized
...24
Lamella antevaginalis not prominent
24
Lamella antevaginalis with latero-anterior horns
....Olyca
Lamella antevaginalis anteriorly smooth and rounded
25
Ductus seminalis attached anteriorly on corpus bursae
...26
Ductus seminalis attached more posterior on corpus bursae
...34
26
Maxillary palpus fan-shaped
...27
Maxillary palpus not fan-shaped
...29
27
Dorsal sclerotization of abdomen 8 with large, unsclerotized, V-shape basal incision
...28
Unsclerotized incision smaller and rounded
28
Hind wing cell with vestigial anterior cross veins
Hind wing cell fully open without vestigial anterior cross veins
29
Forewing Rs2+3 diverge well after the end of Rs1
...30
Forewing Rs2+3 diverge before the end of Rs1
30
Forewing M2 and M3 diverged for more than half their length
...31
Forewing M2 and M3 diverged for less than half their length
31
Forewing CuA1 and CuA2 close together at base, CuA2 then sigmoid swung away from CuA1
...32
Forewing CuA1 and CuA2 not particularly close together, CuA2 not sigmoid
...33
32
Hind wing cell with vestigial anterior cross veins
Hind wing cell fully open without vestigial anterior cross veins
33
Base of anterior apophysis narrow
Base of anterior apophysis broad and diamond-shaped
...Rhagea
34
Dorsal sclerotization of abdomen 8 entire anteriorly; haustellum
present
...35
Dorsal sclerotization of abdomen 8 incomplete anteriorly; haustellum absent
...Rostrolaetilia
35
Sharp ridge between eye and labial palpus
...36
No ridge between eye and labial palpus
...39
36
Dorsal sclerotization of abdomen 8 cylindrical
...37
Dorsal sclerotization of abdomen 8 flattened and clearly longer than high
37
Base of posterior apophysis broad and diamond-shaped
...38
Base of posterior apophysis narrow
...Rumatha
38
Base of anterior apophysis broad with a ventral point; bursa ostium membranous ventrally
Base of anterior apophysis broad and diamond-shaped; bursa ostium sclerotized ventrally
39
Ocellus placed in an anterior incision of chaetosomata
Ocellus not placed in incision of chaetosomata
...40
40
Dorsal sclerotization of abdomen 8 with anterior centro-anterior incision
Dorsal sclerotization of abdomen 8 anteriorly entire