. Coleoptera : general introduction and Cicindelidae and Paussidae. Fig. 84.—Cassida miliar is (varieties). covering themselves with a coating of excrement, which, however,is not free as in the , but is, in nearly all cases,supported by a forked appendage arising from the apex of the i 182 INTRODUCTION. abdomen. This appendage appears to be wanting in the larvoe ofPorpliyraspis palmarum, which forms a sort of birds-nest-likeenclosure from long threads of excrement ; these are attached attheir base to the surface of the last abdominal segment, asdescribed by Candeze (Mem. Soc. Koy. S


. Coleoptera : general introduction and Cicindelidae and Paussidae. Fig. 84.—Cassida miliar is (varieties). covering themselves with a coating of excrement, which, however,is not free as in the , but is, in nearly all cases,supported by a forked appendage arising from the apex of the i 182 INTRODUCTION. abdomen. This appendage appears to be wanting in the larvoe ofPorpliyraspis palmarum, which forms a sort of birds-nest-likeenclosure from long threads of excrement ; these are attached attheir base to the surface of the last abdominal segment, asdescribed by Candeze (Mem. Soc. Koy. Sc. Liege, 1861, p. 387,pi. xvi), and figured by Sharp (/. c. p. 281). The larvse and the life-histories of the members of the familyare, as might be expected, very different; the following table ofthe larvse is for the most part that given by Chapuis ( x, p. 15) with alterations by Sharp (Cambr. Nat. Hist. 279) :- I. Lame with the body uncovered. 1. Larvse elongate, subcylindrical, whitish, living on, or in the stems of aquatic plants, under w


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1912