Major
Families of Adult
Entomophagous
Lepidoptera
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a couplet]
LEPIDOPTERA <General Characteristics> [Latest
Classification]
227a. Antennae simple or modified, but
usually not swollen apically; hind wing with frenulum (= bristle
or group of bristles arising at humeral angle); ocelli often present ........... (Lepidoptera) (Heterocera)
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228a (227a). Wings absent or greatly reduced in
size
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228b. Wings normally developed.
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229a (228a). Moth does not develop in a sac
constructed by the larva
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231a (228b). Hind wing with 3
anal veins; fore wing usually with 1st anal vein reaching wing margin
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231b. Hind wing with 2
anal veins, rarely with 1
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232a (231a). Hind wing with veins S-c+R-1 and R-s
widely separate beyond discal cell
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232b. Hind wing with veins S-c+R-1 and R-s fused or closely
parallel between discal cell and wing tip
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233a (232a). Fore wings with radial (accessory)
cell
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234a (233a). Proboscis vestigial
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234b. Mouthparts usually developed, with
scaled proboscis
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236a (231b). Fore wing with single complete anal
vein
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237a (236a). Shaft of antennae tapering evenly from
base to tip
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238a (232b
& 237a). Hind wing with S-c
usually free from R-s along the cell, though sometimes extending
near it (also see couplet 230)
(Lepidoptera)
Pyralidae
(Chrysauginae, ......... Phycitinae, Pyraustinae)
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239a (234b). Maxillary palpi straight and extend
forward horizontally, or vestigial
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240a (239a). Basal segment of antenna simple,
though often with scales, hairs, or bristles
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241a (240a). Hind wing with well-developed anal
region; venation almost complete
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241b. Hind wing narrow-lanceolate or linear;
venation often reduced.
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242a (241a). Hind wing with anal vein not distally
forked
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244a (241b). Fore wing with discal cell formed
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245a (244a). Hind tarsi without evident groups of
bristles
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246a (245a). Fore wing with discal cell set
obliquely, the end distinctly closer to the hind margin than to
costa; vein Cu-2
very short and usually extending directly back to wing margin
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