1132 FAMILY LIII. CHRYSOJlElilD.Ti;. 



2093 ( ). I'ACHYBKACHis coNFUsus Bowd., Can. Eiit., XLI, 19i)9, ■'i'20. 



Uatlier robust Black with yellow markings ; front black with two yel- 

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

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

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

 basal line as in siiciiciis and numerous rounded, scattered raised spaces, 

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

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

 vals as described in key. Blytral punctures everywhere confused. length 

 2.5-2.7 mm. 



Knox (Jountv; scarce. August 2. Swept from vegetation near 

 margin of cypress swamp. Described from Mississippi and Vir- 

 ginia. A member of the Anstroriparian fauna. 



209-1 (009.5). Pachybkachys spdmakhs Suft'r., Linn. Ent., VII, 18.53, 179. 

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

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

 lo^\-, irregularly clouded with markings formed by black punctures ; the 

 black on thorax forming a ^■ague 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. IMoxACHUS Chev. 1S34. (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 rounde<l 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 HIE IXDIANA SPECIES OF MONACHVS. 



a. Thorax smooth, opaque ; color nearly black. 2095. ater. 



aa. Thorax with punctures near the liase : color steel blue. 



209G. SAroxATUS. 



2095 (0702). MoNAciius ater Hald., Jouru. Phil. Acad. Xat. Sci., I, 1S49, 

 204. 



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

 tenn.-e dull yellow. Elytral rows of punctures less distinct than in the next. 

 Length 2.5-3 mm. 



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

 June Ig-.Vugust 15, Occurs on Collage of milkweed and other 

 herbs. 



