Feb., 1847.] 161 



wide, wider before the middle than at base, with the sides rounded from the 

 posterior contraction to the anterior angles, which are also rounded : scutel- 

 lum dull rufous : elytra testaceous, with the suture broadly black before 

 the middle, and gradually narrowed to the suture towards the apex ; a broad 

 similarly colored submarginal vitta, which attains neither the lateral edge 

 nor the apex, towards which it is narrowed to a point; deeply and densely 

 punctured ; two very narrow, longitudinal, almost impunctured lines in the 

 middle: postpectus dusky; abdomen, antepectus and femora, yellowish ru- 

 fous ; apical tsvo-thirds of the tibiae, tarsi and posterior margins of abdominal 

 segments, dusky or black. 



Var. a. Black, with the thorax dusky rufous. 



" 0. Armemaca, Knoch : punctate, black, feet fulvous, elytra with a testa- 

 ceous vitta. Form and size of 0. Cerasi.' Germar Insect. Sp. Novas, p. 526. 



Var. a. Head and thorax dull rufous, the former with the vertex black- 

 ish ; elytra testaceous, with the suture broadly reddish brown, a similarly 

 colored submarginal vitta ; beneath reddish-brown ; feet paler. 



Var. b. Black, with the anterior part of the head and feet yellowish-tes- 

 taceous ; a broad spot at base, and an abbreviated apical vitta at the suture, 

 pale testaceous. Donacia 4-notata, Melsh. Catal. 



Var. c. Entirely black. 



Hispid , Kirby. 

 Microrhopala, Chevr. 



M.porcata. Black; elytra with three raised lines, and three double and 

 one triple series of profound punctures, lj 1_ 1. long. 



Hispa porcata and minuta, Melsh. Catal. 



Black ; head with three longitudinal impressed lines ; antennae blackish , 

 with a tinge of reddish brown : thorax rough, with large dilated punctures, 

 sometimes with a narrow impunctured medial line : elytra each with three 

 longitudinal raised lines, and three double and one triple series of profound 

 subquadrate punctures ; sometimes a more or less obsolete raised line 

 between the second and third lines, widely interrupted in the middle ; sutu- 

 ral edges raised ; exterior edges entire ; apex rounded : beneath black ; feet 

 dull dark chestnut brown. 



Galerucidce, Steph. 

 Galeruca, Geoffr. 



G. femoralis. Black ; thorax, elytra, tibre and tarsi rufous or rufo-testa- 

 ceous. 2^ 1. long. 



Galeruca thoracica, Melsh. Catal. 



Head black, rugosely punctulate,with a polished transverse raised line be- 

 tween the eyes, interrupted in the middle by a distinct impressed medial line ; 

 antennas ; labrum black, entire, rounded at apex : mandibles dull testaceous , 

 dusky at tip ; palpi blackish, dull testaceous at tip ; thorax rufo-testaceous, 

 transverse, with the sides acutely rounded in the middle ; above with large 

 profound, scattered punctures ; each side of the middle with a wide dusky in - 

 dentation ; medial groove obvious behind the anterior margin and before the 

 posterior one, dusky like the two indentations; scutellum blackish or piceous- 



