ERIK MJÖBERG, ISOPTERA. 



103 



48. Microcerotermes parviceps n. sp. 



Imago (Text Figs. 53b, 54). General colour fuscous, 

 meso- and metathorax and underside light yellowish. 



Head dark fuscous, clypeus and mouth-parts lighter 

 coloured, much smaller than in M. Turneri Frogg. to which 

 species it apparently is closely related, rounded at the sides 

 and behind, flattened on the summit; eyes not quite so 

 large; ocelli circular round, smaller than in M. Turneri 

 Frogg.; clypeus and labrum as in M. Turneri Frogg.; jaws 

 stout, the left one with two very sharp apical teeth and a 

 third very sharp one in the middle (directed backwards) 



Text Fig. 53. a Prothorax of imago of Microcerotermes ea;ctsw5 Mjöb. n. sp. 

 6 » » » » » parviceps Mjöb. n. sp. 



connected by a sharp edge with the 2nd apical tooth, basal 



portion triangulär, the right one with two very sharp angular 



teeth as in the left one, but the median tooth very broad 



and triangulär, and the basal portion broader, only slightly 



projecting (in M. Turneri Frogg. the basal portion of the 



left one is much broader and not so projecting and the third, 



median tooth not so sharp), prothorax smaller, more convex, 



shorter, anterior angles more broadly 



rounded and sides not quite so sharply 



tapering to the base, slightly excised 



in the middle of the hind margin; wings 



(Text Fig. 54) small, and narrow, ve- 



nation variable, greyish-fuscous, me- 



diana running through the upper part 



of the wing, sending out a variable 



number of branches, forked at the tip; ^^""^ ^'^; ^^- Wings of Mi- 



^ crocerotermes parviceps 



legs moderate, light yellow; abdomen 

 with parallel sides, with 10 dorsal chi- 

 tinous plates. 



Mjöb. n. sp. 



