. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE LEAF BEETLES. 1129 20s:j (mi:',). Pachybkachys tmuens Melsli., I'l-uc. riiil. Acad. Nut Sci., Ill, 1847, 172. .Short, subcylindrical, less robust. Head .yellow; ver- te-\. imd often a spot on front,. black; color of thorax ifiven in key; elytra yellow, with a large, common, black erncifonn spot on disk, this wider at Ijase, much nar- rowed at middle, and again widened on apical third, so as to form a cou


. An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species . Beetles. THE LEAF BEETLES. 1129 20s:j (mi:',). Pachybkachys tmuens Melsli., I'l-uc. riiil. Acad. Nut Sci., Ill, 1847, 172. .Short, subcylindrical, less robust. Head .yellow; ver- te-\. imd often a spot on front,. black; color of thorax ifiven in key; elytra yellow, with a large, common, black erncifonn spot on disk, this wider at Ijase, much nar- rowed at middle, and again widened on apical third, so as to form a counuon cross!lar; each also with narrow marginal line and humeral spot, black; under surface black; antenme and legs yellow, the hind thtghs often with black spot. Thorax sparsely and rather cuarsely punctured. Elytra with well deflned though sinuous rows Wg 4a x o of coarse punctures. Length 2-3 nun. (Fig. 487.) (Original) Throughout the State; comiiion. May ;)~AuM'ust 2. Ocetu's on foliage of hickory and elm and on that of many liorhs alon,^' road- sides. The color varies greatly. The yellow is sonietiiiics i)ale, sometimes dirty brownish in hue; the dark spots vary from black to dull brown. The median spot of thorax is sometimes Y-shaped, again oblong, and rarely more or less merged with those on sides; while the elytra may be black with only a narrow nnulian line of yellow, or yellow with only the discal sjiot and three spots on sides black. The sparsely {)unctured thoi-ax and y(>llow legs will starve to distinguish it from .spninariiis and othpi- closely allied forms. 2084 (O(IGO). rAC'KYBRAciivs Say, Jouru. Phil. Acad. Nat. Sci., Ill, 1S21, 4;'.7; ibid. II, 2r,:;. Form and size of the preceding. Head and thoi' tlull , irregularly clouded with markings formed by blu<-k punctures. Klytral in- tervals grayish-white and prominent on the sides, the rows of punctures black; the latter confused and intervals much broken on disk near sutu


Size: 1388px × 1800px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1910