156 LEXG AND HAMILTOX. 



agree in being entirely black, except the thorax ; basalls has an 

 antescutellar black spot, and likewise tnpnnctata ; two unnamed 

 forms occur, one with the basal margin black, the other with the 

 thorax, often the cervix yellow, with the two callosities yellow in- 

 stead of black ; flavipes has yellow legs ; texana is yellowish testa- 

 ceous ; head, antennae and elytra black ; thorax with two callosities 

 and- an antescutellar black spot ; elytra truncate and subspinose at 

 tip ; abdomen yellow, last segment and sometimes the sides of the 

 second and third fuscous ; legs yellow, tips of the tilling and tarsi 

 fuscous. 



[This species {tripundata || Fab. perspicillata) breeds in the canes 

 of the blackberry and raspberry (Bubuf<), sometimes doing great 

 injury; (mandarina) in the twigs of cottonwood (^Populus monUifera), 

 Riley.] " Ham." 



[«. ocellata HaUl., 1847. Tr. Am. Phil. Soc. x, .57; Lee. .Tonr. Ac. Nat. Sci. 



ser. 2. ii, 152. 

 Length 14 mm. = .56 inch. HuMtat.—W\c\\\g:.-A\\. New York, Massachusetts, 



New Jersey, Georjiia, Florida, Louisiana. Texas. 

 Beneath entirely I'ed ; elytra black, epipleurse black, legs usually 

 ])ale, tibiaj and tarsi fuscous; the head and thorax are sometimes 

 rufous, sometimes the occiput and disc of the thorax are black with 

 the legs entirely fuscous, and again the head may be entirely black, 

 the thorax rufous, the legs rufous and the tibiae and tarsi fuscous ; 

 the tips of the elytra, while usually rounded, in some examples are 

 slightly truncate, but never emarginate nor spinulose.] " Ham." 



[O. gracilis Fab., 1801, Syst. Ent. ii. p. 324 ; Hald., Tr. Am. Phil. Soc. x. .57: 

 Lee, Jour. Acad. Nat. Sci. ser. 2, ii, 152. 

 Length 10 13 mm. ^ .40-.50 in(^h. Habitat. — New York, New Jersey, Norih 



Carolina, Georgia, Florida. 

 Pale yellowish testaceous; antenna' fu.scous ; thoi-ax densely punc- 

 tured, without callosities ; elytra with a fuscous lateral stripe; legs 

 j)ale, ti})s of tibite and tarsi darker.] " Ham." 



[O. riifirolliH Fab., 1775, Ent. Syst. i, 2, p. 311 ; Hald. 1. c. ; Lee. 1. c. ; plum- 

 hca Oliv., 1795, Ent. iv, 68, p. 21 ; tibialis Hald., 1. c. , femoralis Lee. (typ. 

 error), 1. c. 153. 

 Length 15-18 mm. = .60 .70 inch. Habitat. — Massaclmsetts to Georgia. Vi-r- 

 mont, Massachusetts, New York, New Jersey, Ohio, Pennsylvania, Vir- 

 ginia, Kan.sas. 



Pale rufous ; antennae and elytra nearly black, epipleurae pale at 

 base ; thorax without callosities ; tibiie and tarsi fuscous, the anterior 

 rufous. Only one example of fibiali'i is known to be in any collec- 

 tion.] " Ham." 



