280 SPOLIA ZEYLANICA. 



Remarks. — The imagines of G. ceylonicus and dilatatus are very 

 similar to each other, but may be distinguished by the following 

 characters : — 



(1) Pronotum with almost rectangular slightly rounded angles 

 in front. Sagittal suture of head very well defined ; darker. — C. 

 ceylonicus, Holmgr. 



(2) Pronotum with broadly rounded angles in front. Sagittal 

 suture of head ill-defined ; paler. — C. dilatatus, Bugn. 



Termes ESTHERS, Desu. 



Soldiers and workers present. 



Locality, Hambantota (A. J. MacDougall). 



Remarks. — This species is now recorded from Ceylon for the first 

 time. Desneux described it from the Bijapur District (Bombay 

 Presidency). 



Odontotermes horni, Wasm. 



Syn. Termes peradeniyse, Holmgren. " Termitenleben auf Ceylon," 



K. Escherich, p. 197. 

 Syn. (?) Termes taprohanes. Hag. According to Ceylon examples 

 of Hagen, Wasmann. 



The imago of this species, which is common at Peradeniya, has 

 been hitherto unknown. Mr. Green has now obtained imagines. 

 They are identical with specimens from the collections of the Vienna 

 Hof -Museum, which I have described as T. peradeniyse. 



Probably T. taprohanes, from Cejdon, is also identical with 

 0. horni. 



Locality, Peradeniya ; Koslanda. In branches of Croton tiglium. 



Odontotermes ceylonicus, Wasm. 



Imago : — Head bright castaneous : area surrounding the fontan- 

 elle, anterior angles of the "transverse band," basal portion of 

 clypeus, antennse, and mouth parts reddish yellow. Pronotum of the 

 same colour as the head, with a T-shaped mark, shoulder spots, and 

 two posterior spots yellow. Front part of the meso- and metanotum 

 paler than the hinder parts. Wings brownish. Abdomen brown 

 above, rusty yellow below. Legs rusty yellow. 



Hair rather dense, yellowish. 



Head large, broadly oval. Fontanelle small, elevated. Com- 

 pound eyes of medium size, decidedly prominent. Ocelli large, 

 distant from the eyes by about their greater diameter. " Transverse 

 band " medially excavated, narrow, uneven. Basal portion of 

 clypeus large, rather shorter than half its own width, strongly 

 swollen, convex behind, straight in front. Antenna; 19- jointed, 

 second longer than third, fourth somewhat longer than third but 

 shorter than second. 



