. Annual report. New York State Museum; Science; Science. Fig. 77 Labial plate of Aedes fuscus according to Johannsen by the four long, narrowly tapering blood gills instead of two. Lavoa. Length about -^^ inch. Head brown- antennae fuscous at the tip, light brown at the base and with a scanty tuft arising from before the middle; apically there are four rather long bristles and a small, conical process. Labial plate elon- gated, triangular and with 25 rather fine teeth, those near the apex being smaller than the others. Hairs of the thorax com- pound, weakly barbuled, those of the ab- domen si


. Annual report. New York State Museum; Science; Science. Fig. 77 Labial plate of Aedes fuscus according to Johannsen by the four long, narrowly tapering blood gills instead of two. Lavoa. Length about -^^ inch. Head brown- antennae fuscous at the tip, light brown at the base and with a scanty tuft arising from before the middle; apically there are four rather long bristles and a small, conical process. Labial plate elon- gated, triangular and with 25 rather fine teeth, those near the apex being smaller than the others. Hairs of the thorax com- pound, weakly barbuled, those of the ab- domen simple. Comb composed of a prac- tically single row of 12 narrow scales, each with a somewhat elliptic, finely setose base and a stout apical spine. Air tube slender, about three times as long as broad, with double posterior pecten, each consisting of about 13 closely set spines, with three flattened isolated ones beyond. Each spine bears a tooth near its base. Anal plate covers the dorsum only of the last segment. Fig-. 78 Air tube of A fuscus. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum. Albany : University of the State of New York


Size: 937px × 2667px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902