. Bulletin of the Department of Agriculture. Agriculture. BLISTER BRISTLES IX KANSAS. 15. Fig. 18.—The black blis- ter beetle (Epioauta penuKyh'unica) : Adult. Enlarged. (Chittenden.) AND Young L.\kv.\. The eag has not been secui'od or the growiiif? stages of the larva recognized. (JOAUCTATE LaKVA. Tlie average of 10 coarctate larvje was mm. in length by mm. in width. They are reddish brown, l)ut not so (hirk as those (»f E. cincreo. and the lateral ridges ai'e present and distinctly angular. Thiki) I>ai{Va. The third larvie are 7 to 8 nnn. long by to » nun. wide
. Bulletin of the Department of Agriculture. Agriculture. BLISTER BRISTLES IX KANSAS. 15. Fig. 18.—The black blis- ter beetle (Epioauta penuKyh'unica) : Adult. Enlarged. (Chittenden.) AND Young L.\kv.\. The eag has not been secui'od or the growiiif? stages of the larva recognized. (JOAUCTATE LaKVA. Tlie average of 10 coarctate larvje was mm. in length by mm. in width. They are reddish brown, l)ut not so (hirk as those (»f E. cincreo. and the lateral ridges ai'e present and distinctly angular. Thiki) I>ai{Va. The third larvie are 7 to 8 nnn. long by to » nun. wide. In shape, color, and general appear- ance they resemble those of Mdcrolxixis ininKicuhita. Pupa. A description of the pupa has never been secured. Epicauta pennsylvanica De G. Adult. Epicauta pe)\nsijlranica (tig. 18) is the smallest of the black blister beetles that occur in Kansas. Of IS specimens, the length varied from to 14 nun., averaging nun., and the width from 2 to 4 mm., averaging mm.; shape rather slender; color dull black. Egg. The egg res-embles that of Macrohasis immaculatn, but is nuich smaller. Tkiungulin Larva. Length of triungulin larva (fig. 19) about mm.; widtli about mm., widest through the liead about midway of its length, which is just behind the eyes, and tapering to the prothorax, into which it telescopes slightly; color, brownish yellow, translucent. In shape and general appearance it resembles the triungulin of Macrohasis immaculata. None of the other larval stages have been secured, even the coarctate larva of this species having escaped recognition. LIFE HISTORY AND HABITS. Epicaitta :\rACUEATA Say. OVIPOSITION. While on the staff of the Kansas Experiment Station the writer observed oviposition by a fe- male of Epicauta niaculata^ as well as by a female of Macrohasis innnaculata. Both Avere working at the same time, being discovered only a few yards apart in the edge of a field. The process was identical with both females
Size: 1338px × 1867px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear