The Termites of South Africa 1 19 



NASUTITERMES GROUP: SYNOPSIS OF SPECIES. 



WINGED IMAGOS. 



I. Head and body intensely black and polished. Clypeus black 

 or deep black-brown. Forewings relatively short, between S 

 and 12 by 2-5 and 3 mm., somewhat Hyaline and without 

 a subcostal streak. Legs black except tips of tibiae and 

 tarsi, which are yellowish. Ocelli two to three diameters 

 from eyes. 



A. Fontanelle missing. 



Wings brown : f .w. 10 to 11 x 2 -5. H.W. -SO. Antennae 

 XIV., III. a little longer than II. Pronotum with 

 tapering sides. Meso- and meta. broaily idcurvate. 



Coarctatotermes contractus Sj. 

 A A. Fontanelle present. 



b. Font, minute furcate, w^ngs hyaline pallid rusty 

 brown : f.w. short, 8 to 9 x 2 '5. H.W. '84. Antennae 

 XIV., Ill twice as long as II. Sides of pronotum 

 not tapering. Meso- and meta. angularly incised. 



Coarctatotermes contractus Sj. 



bb. Font, white, fairly larg'e furcate-triangular. Wings 



hyaline fuliginous ; f.w. 12 x 13. H.W. 1 r 0. AntenniB 



XV., III. shorter than II. Sides of pronotum tapering. 



Meso- and meta. broadly incurvate. 



Tenuirostriternies mallyi sp. n. 



II. Head brown or castaneous; body never black, either brown, 

 rust-brown, or yellowish. Clypeus yellow. Forewings rela- 

 tively large, between 16 • 5 and 22 x 4 and 5 * 5. Legs pallid 

 yellow or ochraceous. Ocelli from one-half to two-thirds of 

 short diameter from eyes; (exception T. ahassas one-sixth 

 to one-third) ; Fontanelle large triangular-furcate. Pos- 

 terior margin of pronotum variable in most species. Males 

 a little smaller than females. 



Trinervitermes spp. 



A. Ventral sternites with dark areas around lateral pores. 



Wings opaque, fuliginous, with a yellow subcostal streak. 



B. Pronotum a clear brown colour with a distinct moth 



mark. Posterior areas of meso. and meta. brown. 



Clypeus yellow, F.W. of males, 16*5 to 16*7, of 



females 17 :5 to 18. Antennae XV., XVI., XVII. more 



frequently XV.; when XVI. and XVll, III. as long 



as II. 



fuscus sp. n. 

 BB. Pronotum yellow, meso. and meta. concolourous 

 therewith. 



C. Clypeus apparently particoloured, margined on 

 either side with dark brown so that it appears 

 unusually narrow. 

 Meso. and meta. broadly incurvate meso. more 

 deeply and widely than meta. and tending to be 

 incised. F.W. 19 -.5 to 20*5. Antennae XVI. and 

 XVII., III. slightly longer than II. 



kurumanensis sp. n. 



