Annual report of the Board of Control of the New York Agricultural Experiment Station . Cacus crcanthi:b, pupa. New York Agricultural Experiment Station. 463. Fig. -Adult Female of Cacus acanthi:antenna of male. 1912, three adults emerged in the box containing eggs of nigricornisand on the following day one more appeared. (Fig. 29.) The adult is mm. in body is entirely blackexcept the legs which aredark brown. The abdo-men is 6-jointed, slender,flattened, and club-shaped. The front wingshave the submarginalvein meeting the costajust beyond the middle;the stigmal vein is cur
Annual report of the Board of Control of the New York Agricultural Experiment Station . Cacus crcanthi:b, pupa. New York Agricultural Experiment Station. 463. Fig. -Adult Female of Cacus acanthi:antenna of male. 1912, three adults emerged in the box containing eggs of nigricornisand on the following day one more appeared. (Fig. 29.) The adult is mm. in body is entirely blackexcept the legs which aredark brown. The abdo-men is 6-jointed, slender,flattened, and club-shaped. The front wingshave the submarginalvein meeting the costajust beyond the middle;the stigmal vein is curved,oblique, and terminatesin a knob. Both sexeshave 12-jointed antennae;in the male they arefiliform (Fig. 29, a); inthe female the first jointor scape is very large; thesecond, third and fourth slender, the fifth and sixth transverse,and the remaining six segments form a compact club. A dipterous parasite.— On August 29, 1912, a puparium of somedipterous insect was found in a bottle with a sickly, yellowish-looking specimen of quadripunctatus in the fifth nymphal instar,which was still alive. By dissecting a number of specimens of treecrickets we f
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectagriculture, bookyear
