1132 FAMILY LIII. CHRYSOMEUD.K 



2093 (_ _). PACHYBRACHYS CONFUSUS Bowd., Can. Ent., XLI, 1909, 320. 

 Rather robust. Black with yellow markings ; front black with two yel- 

 low triangular spots between the eyes and an irregular quadrate spot be- 

 tween the antemue; thorax with front angles, narrow marginal line, a me- 

 dian line to middle and a small spot cadi side at base, yellow; elytra with 

 basal line as in stictk-us and numerous rounded, scattered raised spaces, 

 whitish; under surface and legs black, spots on thighs and rings on tibia? 

 pale. Thorax with surface very smooth and even, the punctures and inter- 

 vals as described in key. Elytral punctures everywhere confused. Length 

 2.5-2.7 mm. 



Knox County ; scarce. August '2. Swept from vegetation near 

 margin of cypress swamp. Described from Mississippi and Vir- 

 ginia. A member of the Austroriparian fauna. 



2094 (<;<';9.-)). PACHYKRACHYS SlTMARirs Suffl'.. LillU. Ellt., VII, 1S53. 179. 



Short, robust: subquadrate. Head black, with labrum and two curved 

 lines between the eyes brownish-yellow; thorax and elytra brownish-yel- 

 low, irregularly clouded with markings formed by black punctures; the 

 black on thorax forming a vague Y-shaped figure on disk, with an irregular 

 space each side. Punctures of elytra in sinuous rows on apical half, else- 

 where much confused: the ridges broken and irregular, the remnants in 

 part dull yellow. Length 3-3.5 mm. 



Throughout the State; frequent, June 24-August 3. Occurs 

 on flowers of wild hydrangea and Jersey tea. 



XVII. MONACHUS Chev. 183-4. (Gr., "single.") 



Small, broadly oval and convex species, having the eyes strongly 

 emarginate; antenna? rather long with joints 6-11 broader; scutel- 

 lum elongate, acutely triangular, not elevated behind; prosternum 

 flat, broader than long, slightly rounded behind. The females have 

 the fifth ventral segment impressed with a large, circular, rather 

 deep fovea. Two of the five species occur in the State. 



KEY TO THE INDIANA SI'KCIKS OF MONACIITS. 



. Thorax smooth, opaque; color nearly black. 2O9.~>. ATER. 



mi. Thorax with punctures near the base; color steel blue. 



2090. SAPONATUS. 



2095 0)702). MoMACiirs ATER Hald.. Journ. Phil. Acad. Nat. Sei., I. 1*49. 



2( !4. 



Oval. Black, shining; thorax very dark blue; labrum and base of an- 

 tenna' dull yellow. Elytra! rows of punctures less distinct than in the next. 

 Length 2.5 -." mm. 



Throughout the State, frequent ; less so in the southern counties. 

 June Ifi-Augusl 1.~>. Occurs on foliage of milkweed and other 

 herbs. 



