148 LENG AND HAMILTON. 



powerful mandibles which she uses to slit the liark of the tree for 

 oviposition. The imagoes are short lived, and are not known to eat 

 or do damage, except as stated ; the defoliation of lindens, with 

 which vestita is sometimes chai'ged, is due to the larvse of a lepidop- 

 teron.] " Ham." 



S. obliqiia Say, 1826, Jour. At-ad. Nat. Sci. v, 274; Lee, ed. ii, 330; Lee, Jour. 

 Ac. Nat. Sci. ser. 2d. ii, 162. 

 Length 16-19 mm. ^ .64-. 76 inch. Habitat. — Wisconsin, Michigan, Canada, 

 Massachusetts, New Yin-k, New Jersey, Pennsylvania, Missouri. 



[Entirely yellowish brown ornamented with darker brown, which, 

 on the thorax, consi.sts of four stripes, and on the elytra of four ob- 

 lique, parallel, raised bands ; the tips of the elytra are divaricate 

 and acuminate. This species has been taken by myself and others 

 on black alder (Alnus serrulata), though its breeding habits are not 

 yet known. Occurs during a few days about the middle of June.] 

 "" Ham." 



S. calcarata Say, 182.3, Jour. Ac. Nat. Sci. iii, 408; Lee, ed. ii. 190: Lee, 

 Jour. Ac. Nat. Sci. ser. 2d. ii, 162; Harris, Ins. Mass. p. 88; adspersa Lee, 

 Agass. Lake Superior, p. 234 ; Lee, 1. e 162. 

 Length 25-31 mm. ^= 1.00-1.25 inch. Habitat.— Ci\,n?idn,, Wisconsin, Lake Su- 

 perior, Michigan, Oliio, Pennsylvania, New York, Massachusetts, New 

 Jersey, Missouri, Kansas. Nebraska, low'a. Vancouver Island, B. C 



[This, the largest of the Saperda-s, is clothed with gray pubescence 

 diversified with yellow on the head, three stripes on the vertex and 

 some blotches on the elytra, the surface of which is shot with nu- 

 merous round, black, denuded ])oints, and the suture at tip spinose. 

 This species breeds in the various si)ecies of poplar (Populus), pre- 

 ferring the older trees. In American linden { Tilia) Hubbard. Ad- 

 Hperm is a form with uniform yellowish pubescence.] " Ham." 



S. iiiutica Say, 182.3. Jour. Ac. Nat. Sci. iii, 409; Lee, ed. ii, 191; Lee, Jour. 

 Ac. Nat. Sci. ser. 2d, ii, l(i2. 

 Length 9-15 mm. = .36 .60 inch. Habitat. — Canada, New York, New ,Tersey, 



Mi.ssouri, Kansas, Nebraska. 

 [This species i.s smaller tiiiui the [)ix'cc(ling wiih the .sime mark- 

 ings, except that the yellow is more ])i-edominant, the form more 

 convex, the antennae (H)nspicuously annuhited with white, the tips 

 of the elytra dehiscent and mutic] " Ham." 



S. oaiidida Fab., 1787, Ent. Syst. ii, p. 307; El. Syst. ii, 319; bivittata Say, 

 J.iur. .\cad. Nat. Sci. iii, 409; Lee, ed. ii, 190; Fitch, Rej). 1st and 2d, p. 

 11 ; Lee, J()\ir. Ac. Nat. Sci. ser. 2d, ii, 163. 

 Length 15 20 mm. = .60. SO inch. Habitat. — (Canada. Maine. Massachusetts. 

 New York, New Jersey, Pennsylvania, Ohio, Missouri. Iowa. 



