SUBFAMILY I. — PENTATOMIN^. 117 



notum and tarsi often reddish; under surface yellow or greenish-yellow, 

 the spiracles often black and the incisures at end of ventral segments al- 

 ways with black points. Head much as in custator, the tylus slightly ex- 

 ceeding the cheeks; second joint of antenna? slightly longer than third. 

 Pronotum with front side margins straight, humeral angles less obtuse. 

 Elytra and apical half of scutellum finely and evenly punctate, without 

 the transverse ruga? shown elsewhere above. Genital plate of male with 

 the ends of lobes each side of emargination less flattened than in custator. 

 Other characters as given in key. Length, 8 — 9 mm. ; width, 5 — 5.5 mm. 



Dunedin, Sarasota and Ft. Myers, Fla., Nov. 2 — April 12. 

 Beaten from vegetation along the margins of wet hammocks. 

 A neotropical species described from Mexico and known in the 

 United States only from southern Florida, Texas, New Mexi- 

 co, Arizona and California. The smaller size, more rugose pro- 

 notum and scutellum, paler color and more depressed form are 

 the chief differential characters between this species and cus- 

 tator. 



74 (160). Thyanta calceata (Say), 1831, 8; I, 320. 



Broadly oval, subdepressed. Above green or dull greenish-yellow; 

 pronotum with margins of sides and two small dots near middle of apical 

 half black, and a rather wide purplish-red band between the humeral 

 angles; membrane hyaline, often with small rounded fuscous spots on 

 basal portion; antenna? with last two joints fuscous, reddish at base; un- 

 der surface greenish-yellow, the spiracles and a small point on the ends 

 of ventral incisures brownish; legs greenish, the tarsi in part reddish 

 or fuscous. Head flat, as wide across the eyes as long, apex broadly 

 rounded, cheeks reaching tip of tylus. Pronotum with blackish margins 

 rugose above, humeral angles obtuse; disk rather coarsely and unevenly 

 punctate with a few broken transverse whitish rugae on basal portion. 

 Scutellum as described in key, its broader basal portion with transverse 

 rugae enclosing the punctures. Elytra finely and evenly punctate with- 

 out trace of rugae. Connexivum narrowly exposed, pale with a black point 

 on each incisure. Genital plate of male narrower and more convex than 

 in custator, its lobes each side of the broad posterior emargination less 

 divergent and less flattened than there, the small median lobe rounded 

 or subangulate. Length, 9 — 10 mm.; width, 5.5 — 6 mm. 



Crawford Co., Ind., Aug. 31 ; Marco, Fla., March 9 {W. S. B.). 

 Fairfax County and Great Falls, Va., Aug. 31 — Sept. 31 

 (Davis). Ranges from New England west and southwest to 

 Illinois and Florida. This species was erroneously made a syn- 

 onym of custator by Stal (1872, 34). He was followed by all 

 American authors,-' 7 until Barber (1911, 108) set forth the con- 



"Uhler (1872. 399) regarded it as a variety of custator and stated that it was 

 "common in Maryland.'" but in all his later papers he placed it as a synonym of 

 that species. 



