636 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



pearance, a Tiueid rather than a Tortricid, and we refer it with doubt to 

 Ohamber's Gelechia coryliella. 



Larva. — The body tapers a little towards each end. Head small and narrow ; the 

 cervical shield nut-brown. Dull livid whitish; with dark conspicuous piliferous 

 dots arranged on the abdominal segments in a broad trapezoid area. Length 6°"". 



The following insects also live on the alder : 

 Order Lepidoptera. 



28. Papilio turnus Linn. In Maine the young larva, 20'"'" long, was ob- 



served on the alder. 



29. Telea polyphemus (Cram.) Providence, R. I., July 23. 



30. Eacles imperiaUs Hiibner. (Hulst, Bull. Brooklyn Ent. Soc, ii, p. 77.) 

 ^1. Orgyia leucosUgma (Abbot and Smith.). July 23 in Maine before 



and after the last molt. 



32. Apatela acericola Guenee. Feeds on birch and alder. (Riley. Rt. ii, 



p. 121.) 



33. Hyperetis nyssaria A. and S. See p. 516. 



34. Fhycis rubrifasciella (Pack.). See p. 309. 



35. Lithocolletis alnivorella Chamb. 



36. Lithocolletis alnicolella (Walsingham, Insect Life, ii, p. 80, 1889.) 



Mining the upper side of leaves of Alnus incana. Siskiyou 

 County, Cal., August. 



37. Lithocolletis auronitens Frey and Boll. The larvie of these three 



species live in tentiform mines in the under side of the leaves. 

 (Chambers, I. c.) 

 3S. Lithocolletis incanella (Walsingham, Ins. Life, ii, p. 81, 1889). Mines 

 the under side of alder leaves. Colusia County and Shasta 

 County, Cal. 



39. Gracilaria ahiicolella Chamb. 



40. Gracilaria alnivorella Chamb. When very young the larv?e of 



these two species mine the leaves ; when older, they roll them 

 downward ; abiicolella from the tip, alnivorella from the side. 

 (Chambers I. c.) 



41. Lyonetia alniella Chamb. The larva makes a large, brownish 



blotch mine in the leaves. (Chambers I. e.) 



Order Diptera. 



42. Cecidomyia serrulatce O. Sacken. District of Columbia, on Alnus 



serrulata : (O. Sacken, mouogr., i, p. 198.) 



Order Coleoptera. 



43. Dichelonycha elongatida (Schonh.) Coupling on the leaves June 10, 



Maine. 



44. Saperda lateralis Fabr. Mr. George Hunt has found this borer in 



the alder at Providence, R. I. 



45. Macrodactylus suhspinosus (Fabr.). Riley (Insect Life, April, 1890, 



p. 299). 



