38 ARKIV FÖR ZOOLOGI. BAND 12. NIO 15. 



a2- Body small-sized, with the snout less than 4 

 mm long. 



E. triodice Frogg. Imago verv 

 small with 15-, vvorker with I4-jointed 

 antennas. 

 Distribution: N. W. Australia. 



Eutermes iiigerrimus n. sp. 



A very characteristic species with very dark and broad 

 liead and slender 14-jointed antcnnse in the soldier. It is a 

 relative to the North Australian species E. pyriformis Frogg. 

 and E. magnus Frogg. but quite distinct from both. 



Text Fig. 14. Jaws of imago of Eutermes 

 nigerrimua Mjöb. n. sp. 



Imago (Text Figs. 13, 14, 15). Reddish-brown, head much 

 darker, body stout and robust, wings very long. 



Head bfoad, rounded, flattened at the summit, dark 

 fuscous, thickly covered with hairs; eyes very large, rounded, 

 projecting, coarsely faceted; basal portion of clypeus swelled, 

 light yellowish-red, convex, apical portion lighter coloured, 

 whitish, rounded in front; labrum long, convex, rounded in 

 front; jaws very stout, nearly with the ordinary Eutermes 

 dentition (see Text Fig. 14), antennae 16-jointed, basal joint 

 large and stout, 2nd only half so long as 1st, 3rd slightly 

 longer, 4th shorter than 3rd and 5th, and following slightly 

 longer than 3rd, the last 4 joints twice as long as broad, 

 apical joint narrow, elongate, rounded at tip; ocelli large, 

 slightly reniform, obliquely placed a certain distance away 



