ACRIDID^E. 641 



12. CALACRIS PUDTCA. 



Mas. Nigra ; fastigium viridi univittatum ; from viridi oblique 

 bistrigata, clypeo viridi ; prothorax brevis, dense punctatus, vix 

 carinatus, postice viridis sublatescens rufescenle bislrigatus ; prosterni 

 spina viridis, crassa, apice roiundata ; pedes obscure virides, pilosi, 

 tarsis posticis spinisque rufis ; alee anticte rufescentes, corpore paullo 

 breviores, striga costali picea striyaque postica pallide testacea ; alee 

 posticcB rufie, apice purpurascentes. 



Male. Black. Head thinly punctured ; tip of the vertex flat, hexa- 

 gonal, with a green stripe ; front with an oblique green streak on each side 

 proceeding from the socket of the antennae; four slight keels; inner keels 

 converging slightly towards the face; outer keels slightly diverging; 

 clypeus green. Eyes tawny, elliptical, oblique, prominent. Antennae 

 black, slender, much longer than the head and the prothorax together, 

 green at the base. Prothorax short, thickly punctured, slightly widening 

 hiudward ; hind part green, with a red longitudinal streak on each side ; 

 keel extremely slight; transverse impressed lines distinct; fore border and 

 sides slightly rounded ; hind border more rounded. Prosternal spine green, 

 thick, rounded at the tip. Abdomen piceous. Legs dark green, pilose ; 

 hind femora shorter than the abdomen ; hind tibiae a little shorter than the 

 hind femora; spines red, with black tips; bind tarsi red. Fore wings 

 reddish, a little shorter than the body, with a piceous costal streak and a 

 pale testaceous streak near the hind border. Hind wings red, purplish 

 towards the tips ; veins black, red towards the base and along the interior 

 border. Length of the body 14 lines; expansion of the fore wings 

 23 lines. 



C. permista may be distinguished from this species by the colour of the 

 body, which is varied with yellow and with orange. 



a. Mexico. Presented by Mrs. Rouquetle. 



Genus 14. APALACRIS. 



Mas. Corpus gracile, fere cylindricum. Caput et prothorax scabra. 

 Fastigium angustum, bicarinatum. Antennae gracillinue, corpore perpaullo 

 breviores. Prothorax subcarinatus; margo posticus, subangulatus. Pro- 

 sterni spina acuta, breviuscula, subcoinpressa. Femora postica abdomine 

 longiora. Ala? anticee corpori seqnilongae. 



Male. Body slender, nearly cylindrical. Head and prothorax 

 scabrous. Tip of the vertex wilh two parallel keels, which are continuous 

 with the inner keels of the front, the latter slightly converge towards the 

 lace ; outer keels nearly parallel. Eyes elliptical. Antennae very slender, 

 nearly as long as the body. Prothorax with a slight keel; transverse 

 impressed lines distinct; fore border and sides slightly rounded; hind 

 border elongated, slightly angular. Prosternal spine acute, rather short, 

 slightly compressed. Hind femora rather longer than the abdomen ; hind 

 tibiae shorter than the hind femora. Fore wings as long as the body. 



