TtiJi. Ljf^-\r ohjLmLES. 



n.")i 



aa. Yellow stripes of elytra united at base, 

 c. Thorax a little wider than long. 

 cc. Thorax nearly twice as wide as long. 



2331 fG7S2). Prasocubis phellvnorii TJun., Syst. 

 Nat, ed. 10, 175S. 37(;. 

 Elongate, slender, parallel. Piceous or blackish, 

 feebly bronzed. Thorax broadly margined each side, 

 and elytra each with a discal and marginal stripe, 

 united at apex, dull yellow. Thorax quadrate, sides 

 almost straight, surface coarsely and sparsely punc- 

 tate. Elytra with regular rofls of rather fine, close- 

 set punctures. Length 5-6 mm. (Fig. 40.5.1 



Lake County; frp(|uent. April 2:^-:May 2S. 

 (Jccurs in the sand dune regions on or lieneath 

 the prickly-pear cactus {<)i>initia rafi)ii sq}iU 

 Engelm). The larva is said to bore in the stems 

 of marsh marigold {fnltlia) and "ther scuiiariuatic 



21?.3. yiTTATA. 

 21.34. OBLIQDATA. 



ant i 



21.S2 ( ). Pbasocikis ovalis sp. hot. 



Short, oval, feebly convex. Blackish, slightly bronzed; tlmrax nar- 

 rowly margined with dull yellow; elytra each with a narrow m;ir.s;inal and 

 discal yellow stripe, uniting at apex, the latter oblique near b ise but not 

 merging with the former. I'^horax one-half wider than Ion;;, sides curved 

 in front of middle, surface sparsely and rather coarsely punctate. Elytra 

 oval, with regular rows of rather tine punctures, those of the fifth to 

 seventh rows widely separated. Length n.5^ mm. 



Lake, Wells and Yigo counties; scHn-c. ^tay I'H-July 10. Oc- 

 curs on the leaves of sedges in low, moist places. 



2133 (6783). Prasocukts vittat.^ Oliv., Entom.. Y. ls07. .595. 

 Elongate, narrow. Greenish-black, shining; thorax broadly mar.ijineil 



on sides with reddish-yellow; elytra each with a reddish-yellow marginal 

 stripe and a narrow paler one on disk, the two united at base and aiiex: 

 under surface, legs and antenn.'e black, the tibi:!^ sometimes pale. Thorax 

 but slightly wider than long, ajio.x deei>ly emarginate. disk sparsely, un- 

 evenly and finely punctate. Elytra parallel, umbone carlnate ; iiunctuvcs 

 rather flue and deep, those of the first ro^- somewhat confused. Lenirth 

 3.5-4.5 mm. 



Lake Cminty ; scarce. ]\ray .i-^NIay 21. Readily known from the 

 next hy the more slender form and uarrowei- thorax. 



2134 (67.S4). Prasocubis obliquata Lee, Pract. Entom.. II, lst;i;. 9. 

 Elongate-oval. Black. tin.Lrcd with .greenisli ; thorax with liroad mar- 

 ginal stripe, and elytra each with disinl and mar.ginal stripe, uniting at 



[-' 



?.402] 



