DESCRIPTIONS OF WEEVILS ON COTTCN IN PERU. 13 



Family CIONID^. 

 SubfamUy TYCHIIN^. 



Tribe TYCHIINI. 

 Genus SIBINIA Germar. 



Sibinia peruana, new species. 



(Text fig. 4.) 



Described from one specimen obtained from a lot of squares at 

 Piura, Peru, by C. H. T. Townsend and bearing his number 23009. 

 Mr. Townsend believes that it breeds in squares. 



Length, 1.4 mm.; breadth, 0.7 mm. 



Color of integument reddish piceous; antennae, femora, and tibiae yellowish. Body 

 densely covered with elongate ochreous scales, slightly paler beneath. Head small, 

 rounded ; beak about as long as prothorax, 

 cylindrical, arcuate, squamose beyond 

 middle, striately punctate, shining and 

 almost smooth at tip; scrobes lateral, 

 oblique, directed at lower corner of eyes; 

 scape not reaching eye; f unicle 6-jointed, 

 the first elongate, stout, the others small, 

 becoming wider toward club, the last 

 almost indistinguishable from club ex- 

 cept for it^ ring of bristles; club 4-jointed, 

 ovate, finely pubescent. Eyes pointed 

 beneath, depressed, closer together than 

 width of beak. Prothorax truncate at 

 apex,bisinuate at base, gradually rounded 

 and narrowing from base to apex; surface 

 punctate, rather densely clothed with 

 elongate scales placed obliquely toward 

 base and median line. Scutellum small, 

 squamose. Elytra two and one-half 

 times as long as prothorax, wider than 

 prothorax at base; humeri rounded; strias 

 impressed, bearing a single row of elon- 



FiG. A.Sibinia 'peruana. (Original.) 



gate scales, interspaces with three longitudinal rows of elongate scales; elytra sepa- 

 rately rounded at apex, exposing pygidiiim. Undersides almost as densely clad 

 with longitudinal scales. Sides of second abdominal segment reaching to basal third 

 of fourth segment. Tarsal claws deeply cleft. 

 Type.— Cat. No. 18450, U. S. National Museum. 



This is the first species of Sibinia described from Peru and only 

 the third from South America. The other two species, melina Faust 

 and valenciana Faust, are from Venezuela and are probably nearly 

 related to this species. 



While it may not be universally true, those tychiine weevils of 

 which anything is known as to the habits pupate in the ground. For 

 this reason there is some cause to doubt whether the little weevil was 



