. Fig. 40.—Early stages of Ptiicho-pfcra ; a, larva ; h, piq^a. the wing; 3rd longitudinal originating soon after the beginning of the 2nd, forked beyond its middle ; anterior cross-vein at or near its base ; 4th longitudinal forked at or near posterior cross- vein, which is nearly opposite the anterior cross-vein, and is short; the 6th longitudinal vein absent; the 7th present, short, more or less curved downwards. The wings are held divaricate in repose. Range. Europe, North America, and the Himalayas. Life-liistonj. The larva of Ptychoptera is whitish in colour, very attenuated, of thirteen
. Fig. 40.—Early stages of Ptiicho-pfcra ; a, larva ; h, piq^a. the wing; 3rd longitudinal originating soon after the beginning of the 2nd, forked beyond its middle ; anterior cross-vein at or near its base ; 4th longitudinal forked at or near posterior cross- vein, which is nearly opposite the anterior cross-vein, and is short; the 6th longitudinal vein absent; the 7th present, short, more or less curved downwards. The wings are held divaricate in repose. Range. Europe, North America, and the Himalayas. Life-liistonj. The larva of Ptychoptera is whitish in colour, very attenuated, of thirteen segments, including the head, M'ith a long
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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectdiptera, bookyear1912
