. A handbook of British lepidoptera. Lepidoptera. AEGEBIADAE 563 2. Tongue rudimentary ; 7 of forewings to termeu 1. Aegbria. „ developed ; 7 of forewings to apex 2. Trochilium. 1. Aegbria, F. Head shortly rough-haired above. Tongue rudimentary. Antennae i, in <J lamellate. Labial palpi with second joint rough-scaled beneath, terminal loosely scaled. Abdomen stout. Forewings : 7 to termen. Hindwings : 3 and 4 stalked. A small genus, characteristic of the European region. The imagos arc seldom observed, though the larvae are common. Collar yellow ... 2. crabroniformis. ,, dark fuscous . . .1
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. A handbook of British lepidoptera. Lepidoptera. AEGEBIADAE 563 2. Tongue rudimentary ; 7 of forewings to termeu 1. Aegbria. „ developed ; 7 of forewings to apex 2. Trochilium. 1. Aegbria, F. Head shortly rough-haired above. Tongue rudimentary. Antennae i, in <J lamellate. Labial palpi with second joint rough-scaled beneath, terminal loosely scaled. Abdomen stout. Forewings : 7 to termen. Hindwings : 3 and 4 stalked. A small genus, characteristic of the European region. The imagos arc seldom observed, though the larvae are common. Collar yellow ... 2. crabroniformis. , , dark fuscous . . .1. apiformis. 1. A. apiformis, CI. 33-44 mm. Head yellow. Thorax blackish, with a yellow patch on each side anteriorly. Abdomen black, with yellow bands except on segment 3. Posterior legs internally orange. Forewings hyaline ; costal and dorsal streaks and margins of cell ferruginous- brown; veins 2-8 dark fuscous; cilia fuscous or dark fuscous. Hindwings hyaline; veins and cilia dark fuscous. Britain to the Clyde, local; Europe, Asia Minor, NW. Asia, N. America; 6, 7. Larva ochrcous-whitish; head reddish- brown; plate of 2 yellow - brownish : in trunk and roots of poplar; 8-4, but sometimes living two years. 2. A. crabroniformis, Lew. (bembeciformis, Hb.) 31-44 mm. Head and thorax dark fuscous, collar yellow. Abdomen with four or more yellow bands. Forewings hyaline ; costa, base of dorsum, and veins to end of cell ferruginous-orange, veins posteriorly black; cilia dark fuscous. Hindwings hyaline; veins and cilia dark fuscous. Britain to the Clyde, N. Ireland, local; Holland, Germany; ('), 7. Larva ochreous-whitish ; head reddish-brown; plate of 2 yellow-brownish : in stems of Salix; 8-6.. Neur.ilitm of Aegnrta apiformis. 2. Troohilium, Sc. Head with appressed hairs. Tongue developed. Antennae J, in (J sometimes subdentatc, ciliated. Labial palpi with. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -