196 FAMILY V. — PENTATOMID^E. 



b. Humeri produced in slender outward projecting spines. 



c. Spines of humeri not emarginate near the tip; hind femora with 



two blackish dots at apical third; length, 11 — 13 mm. 



139. MACULIVENTRIS. 



cc. Spines of humeri emarginate or slightly bifid behind near tip; 

 femora without spots; length, 10 — 11 mm. 140. sagitta. 



bb. Humeri acute or obtusely angled, without slender projecting spines; 

 hind femora with either a dark ring or immaculate. 



d. Larger, 11 or more mm.; femora thickly flecked with purplish 



dots; abdomen with a median row of more or less distinct larger 

 spots. 

 e. Antennae pale reddish-brown throughout; median ventral spots 

 reddish-brown, ill-defined; larger, 12.5 or more mm. 



141. FRETUS. 



ee. Third and fourth joints of antenna? in great part blackish; 



median ventral spots black, well defined; smaller, not over 11.5 



mm. 142. serieventris. 



dd. Smaller, less than 10 mm.; femora without purplish dots. 



/. Membrane with a dark blotch at apex; side margins of prono- 



tum more or less concave; humeri acute. 143. modestus. 



ff. Membrane without a dark blotch; side margins of pronotum 



straight; humeri obtusely angled. 144. placidus. 



aa. Humeri ending in acute forward projecting spines; side margins of 



pronotum distinctly white-calloused ; two spots on pronotum and 



apex of scutellum also calloused-white. 145. mucronatus. 



139 (227). Podisus maculiventris (Say), 1831a, 11; Psyche, 1899, 307. 



Elongate-oval, strongly tapering behind, subdepressed above, con- 

 vex beneath. Above dull yellow, thickly marked with small fuscous 

 punctures; narrow edge of side margins of pronotum and tip of scutellum 

 yellow; antenna? reddish-brown, the third and fourth joints often in part 

 fuscous; membrane hyaline, usually with a 

 short, fuscous subapical blotch; apical half of 

 elytra often tinged with purplish-red ; segments 

 of connexivum with ends and inner margin blue- 

 black, the middle with an oblong orange-red 

 spot; under surface pale yellow with numerous 

 small reddish punctures ; abdomen with one or 

 two rows of small spots each side and the 

 angles of the ends of ventral segments, black; 

 sixth ventral always with a rather large median 

 triangular black spot, and ventrals 3 — 5 often 

 with smaller median ones; thoracic pleura each 

 with one or two small submedian dark spots ; 

 legs reddish-yellow, all the femora with a pair 

 Fig. 38, x ?.. of black dots at apical third. Head flat, almost 



(Atter Lugger). ag b roac j across the eyes as long, apex subtrun- 



cate; cheeks thickly, unevenly, finely punctate; beak reaching middle of 

 hind coxa?; second joint of antenna? one-half or more longer than third, 



