. A handbook of British lepidoptera. Lepidoptera. NOTODONTINA. 21. Abdomen in $ with claspers very large, exserted 12. Phimsreme. ,, „ with claspers normal . 22. 22. Face flat, smooth . .20. Asthena. „ rounded, with somewhat projecting scales . 23. 23. Abdomen with small segmental crests throughout 7. EUCYMATOGE. „ not crested, or near base only 16. Hydriomena. 1. Trichopteryx, Hb. Face smooth. Antennae in $ shortly ciliated. Palpi rough-scaled. Abdomen sometimes crested. Tibial middle- spurs absent. Forewings : areole double. Hindwings in <? with dorsal folded lobe, veins distorted ; 2 sel
. A handbook of British lepidoptera. Lepidoptera. NOTODONTINA. 21. Abdomen in $ with claspers very large, exserted 12. Phimsreme. ,, „ with claspers normal . 22. 22. Face flat, smooth . .20. Asthena. „ rounded, with somewhat projecting scales . 23. 23. Abdomen with small segmental crests throughout 7. EUCYMATOGE. „ not crested, or near base only 16. Hydriomena. 1. Trichopteryx, Hb. Face smooth. Antennae in $ shortly ciliated. Palpi rough-scaled. Abdomen sometimes crested. Tibial middle- spurs absent. Forewings : areole double. Hindwings in <? with dorsal folded lobe, veins distorted ; 2 seldom absent, 6 and 7 sometimes separate, 8 in <? connected by bar with cell near apex or rarely with 7 or as in $, in anastomosing with cell to Hindwing of Trichojiteryt beyond middle or rarely as in <$. mrpinata i. A small genus, derived from Lobophora, characteristic of Northern temperate regions. The altered structure of vein 8 in the hindwings of the <$, and the separa- tion of 6 and 7 (very rare in this family), are due to lateral expansion, intended to compensate for absorption of the dorsal area by the folded lobe; when they occur in the ? also, they afford an instance of the transference of secondary sexual characters through inheritance. 1. Forewings dull green . .1. viretata. ,, not green . . .2. 2. Third and fourth fasciae ochreous-brown 3. polycommata. „ „ „ not ochreous-brown 2. carpinala. 1. T. viretata, Hb. 23-26 mm. Palpi long. Forewings dull olive-green, with curved darker striae; median band and fifth fascia marked with black, striae beyond these with whitish ; a black discal mark. Hindwings grey ; a darker discal dot. England, Ayr, Ireland, not common; 0. Europe; 5, 6, 8. Larva pale greenish, sometimes partly suffused with pink; a dorsal pink or purplish-crimson line or series of spots; sub- dorsal line pink, sometimes interrupted; lateral sometimes faintly pink; head brown, often crimson-marked; 13 with two short points : on holly, Ifeder
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectlepidop, bookyear1895
