SUBFAMILY I. — ARADIN^. 313 



presents no characteristics wholly foreign to abbas except in the 

 structure of the genital lobes and the dorsal genital segment." 

 Later (Ms.) he says: "Breviatus is undoubtedly an abnormal 

 female, and I never expect to see another." 



243 (390). Aradus gracilicornis Stal, 1873, 136. 



Elongate-oval. Black or dark brown; head with an oblique pale 

 line behind each eye; corium with base and veins dark brown, its cells 

 whitish-hyaline, clavus, except base, and membrane, hyaline; apical 

 angles of connexival segments yellowish, conspicuously so in female. 

 Head as long as broad, tylus stout, subcylindrical; antenniferous spines 

 small, slender, acute, divergent; impressions of vertex narrow, deep, 

 widely separated ; antennae very slender, as long as head and pronotum 

 united, second joint two and a half times as long as third, fourth slightly 

 shorter than third, enlarged near apex; beak reaching middle of meso- 

 sternum. Pronotum with side margins narrow, scarcely reflexed, ob- 

 tusely rounded behind the middle, their edges finely granulated and with 

 two or three irregular teeth near front angles ; disk with four carina? 

 well elevated, nearly entire. Scutellum longer than pronotum, subtri- 

 angular, sides parallel on basal third, apex narrowly rounded. Outer 

 basal edge of corium nearly straight. Male with fifth ventral deeply 

 emarginate, very short at middle, genital segment very long, moderately 

 convex; abdomen narrowly oval, almost covered by elytra, which reach 

 its tip. Female with dorsal genital broad, its hind margin notched at 

 middle, connexivum fully exposed, elytra reaching middle of dorsal gen- 

 ital. Length, 4.7—5.8 mm. (PI. Ill, fig. 49). 



Dunedin, Fla., Feb. 13 — March 28. Taken from beneath the 

 bark of oak and by sweeping along the margin of a pond. 

 Wallace, N. Car., April 4 (Brimley) . Described from Cuba and 

 known from Georgia, Mississippi, Texas, Arizona and New 

 Mexico. In Florida it has hitherto been recorded from several 

 stations along the east coast. The slender antennae, hyaline 

 elytra and long genital of male are the principal distinguishing 

 characters. 



244 ( — ). Aradus uniannulatus Parshley, 1921, 90. 



Elongate-oval. Black, base of head with oblique black lines ; mem- 

 brane hyaline and with faint brownish spots ; hind margins of connex- 

 ivals narrowly pale. Head about as long as broad, as long as pronotum; 

 impressions of vertex broad, shallow, widely separated, connected be- 

 hind ; antenniferous spines short, feebly divergent. Antennae slender 

 (fig. 51c), nearly as long as head and pronotum united, joint 1 reach- 

 ing beyond middle of tylus, 2 equal to width of head including one eye; 

 beak reaching middle of mesosternum. Scutellum slightly longer than 

 pronotum, sides feebly elevated, straight to apical third, thence slightly 

 curved to the subacute apex, base depressed except at angles. Elytra, 



