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 . Fiff. 158. having from one to five pairs of fleshy abdominal legs, besidesthe three pairs of corneous jointed thoracic limbs. A largeproportion (butterflies excepted) spin silken cocoons before *For explanation of cuts, 155 to 171, see pages 233 and 234. 230 LEPIDOPTERA. changing to pupae (chrysalids, n^mphs). In the pupa statethe limbs and appendages of the head are soldered together,and the head and thorax tend to form one region, upon whichthe
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 . Fiff. 158. having from one to five pairs of fleshy abdominal legs, besidesthe three pairs of corneous jointed thoracic limbs. A largeproportion (butterflies excepted) spin silken cocoons before *For explanation of cuts, 155 to 171, see pages 233 and 234. 230 LEPIDOPTERA. changing to pupae (chrysalids, n^mphs). In the pupa statethe limbs and appendages of the head are soldered together,and the head and thorax tend to form one region, upon whichthe third region, or abdomen, is more or less movable. Thi*ee. 2 Fig. 159. Fig. 160. Fig. 161. or four genera of the lower families are partially aquatic, while,as a whole, the suborder is purely terrestrial. The three regions of the body are very distinct, but the head,though free, is smaller and with its parts less equally developed
Size: 3012px × 830px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
