. A handbook of British lepidoptera. Lepidoptera. ZY!5AENA] ZYGAEN1DAE 447. Neuration of Zyguena trlfolii. thickened from base to about f or \, thence tapering to apex, simple. Thorax densely hairy beneath. Abdomen hairy. Femora more or less hairy beneath, tibiae smooth - scaled, all spurs present, short. Forewings : 8 and 9 stalked. Hindwings: 6 and 7 sometimes connate, upper margin of cell angulated at connection. The genus is extensive, but con- fined to Europe, N. and C. Asia, Japan, and N. Africa, its range coinciding exactly with the limits of the Palaearctic region. Imago with forewings
. A handbook of British lepidoptera. Lepidoptera. ZY!5AENA] ZYGAEN1DAE 447. Neuration of Zyguena trlfolii. thickened from base to about f or \, thence tapering to apex, simple. Thorax densely hairy beneath. Abdomen hairy. Femora more or less hairy beneath, tibiae smooth - scaled, all spurs present, short. Forewings : 8 and 9 stalked. Hindwings: 6 and 7 sometimes connate, upper margin of cell angulated at connection. The genus is extensive, but con- fined to Europe, N. and C. Asia, Japan, and N. Africa, its range coinciding exactly with the limits of the Palaearctic region. Imago with forewings elongate-triangular. The species are very similar, often interbreed, and are particularly liable to form local races; so that their study is excessively difficult. The larvae are equally similar and variable. 1. Forewings with upper basal spot reaching to be- yond | . .2. ., „ ,, not reaching J 3. 2. Forewings besides with four spots . 5. exulans. ,, ,, with two elongate blotches 6. pilosellae. 3. Smaller, rather thinly scaled . 4. meliloti. Larger, not thinly scaled . .4. 4. Forewings six-spotted . . 1. filipendulae. „ five-spotted . . .5. 5. Ternien of forewings slightly rounded, middle spots separate . 2. lonicerae. ,, „ moderately rounded, middle spots usually confluent 3. Vrifolii. 1. Z. filipendulae, L. 28-35 mm. Abdomen deep green or indigo-blue. Forewings very deep green; six deep crimson spots, first pair subbasal, elongate, sometimes confluent, second pair sometimes confluent, sixth sometimes small. Hindwings deep crimson ; a slender green-blackish terminal streak ; cilia blue-blackish. Britain to Caledonian Canal, Ireland, very common ; Europe, Asia Minor, Syria; 6, 7. Larva dull green ; a subdorsal series of black transverse spots, one broader and one narrower on each segment; a lateral series of black crescentic or divided spots; between these two series a row of yellow marks; head black: on Trifolium, Lotus, Lathi/rus; Please note that these images ar
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectlepidop, bookyear1895
