68 



in and frequents the stems of partly dead alders" CAlnus' June-July. Mass. — 

 Blanch. (1. c). 



A. imbellis Crotch. — ••Occurs on Helianthemum canadense in June to August. 

 Mass.'" — Blanch. (1. c). Common, according to Mr. Schwarz, near Washington. 

 D. C, in meadows. 



A. impetus Horn. — " Occurs on the two locusts i ' (ileditscliia iriacanthos and Bob- 

 inia pseudacacia), July and August." Galesburg, 111. — Stroruberg (1. c). 



A. interruptus Lee. — Prohahly hreeds in oak. June, .Inly, Mass. — Blanch. (Ent. 

 Amer.. Vol. V, p. 32). Also taken "by the writer on this tree. Found "upon beech, 

 birch, and hickory." — Harrington (Rept. Ent. Soc. Ont. for 1896, p. 71). 



A. lateralis Say.— According to Dr. Horn, this is the species mentioned in Blanch- 

 ard's list under the name anxius as having been taken as adult upon foliage of pop- 

 lar sprouts. July, Mass. (1. c). 



A. lecontei Saund. — "Not rare on hackberry (Celtis occidentalis), June and July.'" 

 Galesburg, 111. — Stroinberg (1. c). The writer has observed it upon the same tree 

 about Washington, D. C. in July, and Mr. Schwarz has observed this species on 

 Celtis from Michigan to Arizona, and believes it to live on that tree wherever the 

 latter occurs. 



A. maeer~Lec. — Very injurious, according to Mr. Schwarz, to Celtis occidentalis in 

 Texas (unpublished note). 



A. masculinus Horn. — On box-elder (Xegundo negundo . July, Galesburg, 111. — 

 Stromberg (1. c). 



A. obsoletoguttatus Gory. — " Quite common on red and laurel oaks. June."' Gales- 

 burg. 111. — Stromberg (1. c). 



A.ornatulus Horn. — Breeds in huisache ^Acacia farnesiana) in Texas. — Schwarz 

 ( unpublished note). 



A.otiosus Say. — Attacks and is likely to prove injurious to maple, dogwood {Cor- 

 nua tlorida), redbud (Cercis canadensis), hickory {Hicoria spp.), black walnut {Juglans 

 nigra), and probably also infests butternut, box-elder, oak, and perhaps locust. 

 May- July (ante). 



A.palmacollis Horn.— Reared from twigs and branches of mesquite (Prosopis juli- 

 Jlora) and huisache (Acacia farnesiana) collected by Mr. Schwarz at San Diego and 

 Brownsville. Tex. 



A. politus Say. — ''Infests green bark on living willow trees. May be the primary 

 cause of death of young trees." June, W. Va. — Hopk. (1. c.). "Common, on Salix 

 obtusifolia, June." Pa. — Hamilton (I. c). Also observed by Dr. Blanchard (1. c.) and 

 the writer on willow. On hazel. — Briiner ^unpublished note). 



A. p n.l eh ell u.s Blanch. — Breeds in roots of Erigeron in Arizona. — Hubbard and 

 Schwarz (unpublished note). 



A. ruficollis Fab. — The raspberry (routy-gall beetle; red-necked cane borer. Inju- 

 rious to raspberry, blackberry, and dewberry (Eubus spp.) June and July. — Various 

 writers. 



A. scitulus Horn. — Reared by Mr. Schwarz from huisache [Acacia farnesiana'' at San 

 Diego. Tex. — Unpublished. 



A sinuatus. 01. — The sinuate pear borer. — Injurious to pear trees in New Jersey. 

 May. June.— J. B. Smith (15th Rept. X. J. Agl. Expt. Sta. for 1894. pp. 550-561, etc. : 

 Riley and Howard (Insect Life, Vol. VII, pp. 258-260). In Europe attacks also white 

 thorn, medlar, and mountain ash (1. c, p. 556). 



A. vittaticollis Rand. — "Taken occasionally in June feeding on the leaves of thorn 

 (Crataegus), shad bush (Amelanchier ) and chokeberry (Pyrus arbutifolia). Maes." — 

 Blanch. (1. c). "Seems to live on the shad berry (Amelanchier canadensis^." — E. P. 

 Austin (Pr. Bos. Sue. X. H.. Vol. XVII. p. 276, 1875). "Rare, on Kalmia and chest- 

 nut." — Hamilton (1. c.\ 



Agrilus sp. — Lives in stems of Jatropha multifida, Catalina Springs, Ariz. — Hubbard 

 and Schwarz ^unpublished note). 



