New Species of Aphids with Notes on Described Forms
- 1 December 1938
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 31 (4) , 471-475
- https://doi.org/10.1093/aesa/31.4.471
Abstract
A late viviparous female.—Average length of body from vertex to tip of anal plate 1.11 mm. Head black; antennal tubercles absent. Vertex nearly flat. Width of head through the compound eyes .34 mm. Eyes dark with ocular tubercles. Antennae of five segments; longer than one-half the length of the body; black in color; definitely imbricated. Length of antennal segments as follows: I, .06 to .07 mm.; II, .05 to .06 mm.; Ill, .29 to .31 mm.; IV, .09 to .10 mm.; V, .08 mm. plus .35 to .42 mm. Third antennal segment with S to 11 circular sensoria arranged in a nearly straight row and distributed nearly the entire length of the segment. Rostrum obtuse, reaching slightly beyond meta-thoracic pair of coxae.Keywords
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