3")ec. 1897] Webster: Notes on Coleoptera. 201 



fold has some mealy bloom ; dorsum covered with long tufts of white 

 down which is secreted slowly after each molt, in long, flattened masses, 

 two dorsal, two subdorsal, three lateral, the posterior one lower ; sub- 

 dorsal tufts longer than the unpaired dorsal ones. The wool may be- 

 come 5 mm. long and curls a little. Three stages observed with widths 

 of head i.t, 1.5 and 2.1 mm. 



Ultimate Stage. — Head 2.1 mm. Perfectly smooth, uniform 

 opaque yellowish white, head shining and a shade darker, eye black. 

 Segments indistinctly transversely wrinkled. Body robust, thick, as 

 high as wide ; thorax very slightly enlarged. 



Food-Plant. — Butternut. Found at Greenwood Lake, N. J. 



Dr. Packard has confounded this species with Monophadnus caryce 

 Norton (5th Rept. U. S. Ent. Comm., 339). Fitch's butternut larvae, 

 on being bred, prove to belong to Eriocampa, and moreover they differ 

 from the hickory larvae of Norton in being blackish, while the latter 

 •are described as greenish beneath the wool. 



NOTES ON VARIOUS SPECIES OF COLEOPTERA. 



plate X. 

 By F. W. Webster. 



It has always appeared to me as a good plan to record the little, 

 detached observations that are made by almost every observing ento- 

 mologist. Taken individually, these are very often almost devoid of 

 scientific value, but we all of us know how much light some point, of 

 itself unimportant, will throw upon the problem of a life history, when 

 we attempt to work this out, or construct it from the known facts at our 

 disposal. It is as if a huge piece of chinaware were to be dashed into 

 an infinite number of fragments, and these scattered broadcast over the 

 land, and the attempt then made to bring these fragments together, and 

 from them construct the piece anew. It would probably occur that 

 many pieces would have to await the discovery of one, and again, a 

 piece would fit fairly well into the wrong place, and the error could 

 only be detected by the right fragment finally turning up and indicating 

 its proper place. 



Sorrie of these notes have been, in the main, recorded elsewhere, 

 but without illustration ; and it seems to me to be a matter of mutual 

 benefit to have, somewhere, as accurate illustrations of as many of our 

 species as possible. 



