Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . a tenth of aninch long, black, with a brassygreen reflection on the head andthorax, while the legs and base ofthe abdomen are yellowish. In Encyrtus, which comprisesover a hundred species alreadyknown, usually rather small insize, the body is short and eleven-jointed antennae are inserted near the mouth. Thethorax is square behind, and the sessile abdomen is short andbroad at the base. Encyrtus Bolx*and E. Iteate are described fromNor
Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . a tenth of aninch long, black, with a brassygreen reflection on the head andthorax, while the legs and base ofthe abdomen are yellowish. In Encyrtus, which comprisesover a hundred species alreadyknown, usually rather small insize, the body is short and eleven-jointed antennae are inserted near the mouth. Thethorax is square behind, and the sessile abdomen is short andbroad at the base. Encyrtus Bolx*and E. Iteate are described fromNorth America by Mr. F. Walker, fEiicyrtH* rariconus is in Europe ^~found as a parasite in the cells ofEnmenes coarctata. The antenna? of Evlophns are nine- Fig- U1 jointed, with a long branch attached to the third, fourth, andtifth joints. The abdomen is flattened, sessile. E. 7> was described from Indiana. We figure a Chalcid (, (?), allied to Eulopus, which preys upon the AmericanTent Caterpillar. A species of Blastophaga (B. grossorum Grav.) is interest-ing as it is the means of assisting in the fertilization of the Fig. Fisr. 140.
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Keywords: ., bookcentury1800, bookdecade1870, bookpublishe, booksubjectinsects
