ElGEIH EfPOET of IBE StAIE Ei\'J 03ICLCGJ S'J . 



175 



FlC4 



Thp 



different years. They are either the " a\ hite-grub " of the common May 



or June beetle, lAicJiiwsUr')U( fusca, or a nearly allied 



species. There are a number of these Scarabmidfr 



which so closely resemble L. fusca that the beetles can 



be with diificnlty separated, and indeed we do not 



know, or do writers agree, which should be recognized 



as species or regarded mereh^ as vaiieties. Dr. Horn, in 



his " Revision of the Species of Lachnosterna of North 



America,"* has referred twenty-one species to the L.fnsca 



group, while more recently Professor J. B.Smith has ^ ^'*'*'^'"*' ^^ 



•=> ' ' •' Lachnosterna 



found structural features in six forms previously *"'-'^*^^ ^^"^'''^• 

 confounded with Z. fusca, and has named them as species.f 



The little that is known of the larvre of these beetles lenders it 

 absolutely impossible to separate and determine them. After enumer- 

 ating and characterizing ninety- one species of American Lachnosterna, 

 Professor Smith makes regretfully this confession: "As it sands at 

 present, roe do not knoio, positlvelij, the larva of a single specie of 

 Lachnosterna. ''''X 



The habits of these " white-grubs " of the fusca and neaily allied 

 groups, may be presumed to be very much alike — all feeding on the 

 roots or grasses, various plants and shrubs, or other vegetation. 



Although the examples sent can not be jjositively named, yet if there 

 is anything connected with their finding that renders it particularly 

 desirable to know more of them, they will be given further study for 

 approximate determination. 



Cyllene pictus (Drury). 

 The Hickory Borer. 



Some insects taken from burrows in dry hickory wood were received 

 early in March, from New Market, New Jersey, with inquiries of them. 



They w^ere recognized as th<: pupa? of the hickory borer, Cyllene 

 pictus, formerly known and appear- 

 ing in many of our entomological 

 writings, as Clytus pictus. This ?pecies 

 was confounded with the locust borer, 

 Cyllene robinicB (Poerst.), for a long 

 time, and until it was separated from it 

 by distinctive characters by Mr. Walsh, Fjg, 28.-Thehickory-tree borer, Ovllene 



•" 1 o/i J c rpi n ^ ' £ ^\ J. pictus; a, larva; b, pupa. 



m 1864. § Ihe lemales of the two 



species can be distinguished only with difficulty, but the male of C. pictus 



can be readily known by its antennje longer than the body, and quite 



• Transactions of the American Entomological Society, iv, 1887, pp. 209-29(>, Plate 3. 

 t Notes on the Species of Lachnosterna of Temperate North America: Proc. U. S. National. 

 Museum, xi, 1889, p. 503. 

 i Id., ib., p. 52;i. 

 § Proceedings of the American Entomological Society, iii, 1864, pp. 420-422. 



