122 LENG AND HAMILTON, 



l<io|>U!$ variegatus Hald., 1847 {Amniscm), Tr. Am. Phil. Soc. x, 47; Lee, 

 Jour. Acad. Nat. Sci. ser. 2, ii. 172; var. trifasciatus Hald., I.e. ; var. oii- 

 scunif! Hald., 1. c. 

 Length 6-12 mm. : .24-.48 inch. Habitat. — Canada, Massachusetts, New York, 

 New Jei-sey, Pennsylvania, Ohio, West Virginia, District of Columbia, 

 Virginia, Alabama, Louisiana. Texas, Kansas, Illinois, Indiana, Mi(^higan. 



[Form moderately robust, a little elongate, surface reddish or yel- 

 lowish brown ; elytra variegate4 with small yellowish, dark and 

 cinereous points and blotches, on the disc two cost?e which unite near 

 apex, and are crossed behind middle by a dark blotch behind which 

 is a patch of gray pubescence. 



Var. trifasciatus has on the eljtra three irregular dark l)r()\vn 

 fasciae. 



Var. obscurus is very dark brown, with thi-ee indistinct black 

 fasciffi ; beneath blackish brown. 



Breeds under bark of Nerjundo aceroides (Chittenden).] "Ham." 



L.. wiltii Horn, 1880, Tr. Am. Ent. Soc. viii, 124. 

 Length 9 mm.; .36 inch. Habitat. — Texas. 



[Form as in variegatus, but more convex ; the pubescence is gray 

 maculated with small dark spots both on thorax and elytra ; elytra 

 with a broad band behind the base not reaching the suture, an an- 

 gular oblique band at apical third and behind this another inter- 

 rupted nearly transverse one, black ; each with three subcostte, not 

 always evident, on which are black tuberculiform spots, and external 

 to these two other rows. This species apj^ears to be very uniform 

 in all characters.] " Ham." 



L.. crasi^uliis Lee, 1873, New Spec. Ceramb. (S. M. C. No. 264) p. 23,5; Horn. 



Tr. Am. Ent. Soc. viii, 125; mimetirm Casey, An. N. Y. Acad. Sci. 1891, vi. 



48; Proc. Cal. Acad. Sci. ser. iv, 339. 

 Length 6-6.5 mm.; .24-. 26 mm. Habitat. — Lower California, Cape San Lucas, 



Texas, District of Columbia, New .Jersey. 

 [Robust, convex, surface when denuded piceous. sometimes paler, clothed with ' 

 short cinereous pubescence. Head minutely densely punctulate ; antennte one- 

 half longer than the body, annulate with black at the iiu isures and spotted above, 

 scape and joints 3-4 subecjual, joints beyond the fourth pale tinged with rufous. 

 Thorax transverse, nearly twice as wide as long, and nearly as wide as the elytra, 

 pubescence nearly uniform, convex, scarcely punctulate, spiniform tubercle in 

 advance of basal third: scutellum 7-ounded behind, narrowly bordered with 

 black. Elytra slightly obliquely impressed each side of scutellum. moderately 

 coarsely jmnctured, punctures gradually ohsolesccTit toward apex, which is slightly 

 obliquely truncate; the suture, three slightly elevated lines, the humeral line 

 and margin each bearing a row of sparsely placed setigerous black points; pubes- 

 cence cinereous, variegated with denudations; humeral angles black, polished ; a 

 large denuded blotch on eacli side in front of middle, behind middle with the 



