328 FAMILY IX. — ARADID^E. 



aa. Antenniferous spines distinct, short, acute. 



c. Third joint of antennae three-fourths or more the length of fourth; 



length, 5.5 or more mm. 264. inconstans. 



cc. Third antennal not more than one-half the length of fourth ; length 



not more than 5.3 mm. 



d. Second antennal distinctly longer than basal one; fourth more 



than twice as long as third; terminal genital of male obtusely 



triangular, granulate above, shorter than the lobe. 



265. SIMPLEX. 

 dd. Second antennal not longer than basal one; fourth not more than 

 twice as long as third. 

 e. Second antennal as long as basal one, the latter not as broad as 

 tylus; length, 4.5 — 4.8 mm. 266. septentrionalis. 



ee. Second antennal shorter than basal one, the latter broader thar 

 tylus. 

 /. Color pale reddish-brown ; length not over 3 mm. 



267. MINUTUS. 

 //. Color dark reddish-brown; length, 3.6 — 4 mm. 268. fiskei. 



262 (412). Aneurus politus Say, 1832, 31; I, 354. 



Elongate-oval strongly depressed. Uniform dark reddish-brown; 

 basal half of pronotum, scutellum and elytra dark chestnut brown. Head 

 as wide as long, finely granulated, eyes small, not prominent; antennae as 

 in key, joint 1 stoutest. Pronotum with sides in front of the obtuse but 

 prominent humeral angles broadly concave; hind margin subtruncate; 

 front half of disk shining, its sides sparsely rugose; hind one finely 

 strigose granulated, more so on the middle depression. Scutellum finely 

 concentrically strigose, broader at base than long, its apex less broadly 

 rounded than in our other species. Elytra finely rugose, not strigose. 

 Legs very short, femora subclavate. Other characters as in key. Length, 

 4.5 — 4.7 mm. 



Capetillo, Guatemala (British Mus. Coll.). Described from 

 Florida and recorded by Barber from St. Augustine and Bell- 

 aire. Known also from Cuba and Central America. Larger 

 and more oval than tenuicornis, head wider, antennae shorter 

 and stouter, scutellum longer with apex narrower. 



263 (418). Aneurus tenuicornis Champion, 1898, 116. 



Elongate-oval. Pale to dark chestnut-brown, shining; very minutely 

 strigose-granulate. Head as long as broad ; tylus surpassing first anten- 

 nal, the latter short, sublobose; antennae as in key, joint 4 one-half 

 longer than 2 and 3 united. Pronotum with sides rather strongly sinuate, 

 its front portion distinctly narrower than hind one, front angles narrowly 

 rounded. Scutellum almost semicircular, densely, minutely strigose, a 

 smooth obtuse median carina on basal half. Male genital segment as in 

 key, slightly wider at base, apex obtuse, the lobes very narrow; female 

 with dorsal genital semicircular, truncate behind, lobes very short. 

 Length, 3.7 — 4 mm. 



