80 



ARKIV FÖR ZOOLOGI. BAND 12. N:0 15. 



in the front, lighter coloured on a broad patch on the sum- 

 mit; of clypeus there is only a short and fairly narrow part 

 visible, which is rounded at the anterior angles and softly 

 emarginate in front, with foiir stiff erect hairs, in the middle 

 a bit behind from the margin ; labrum small, rounded at the 

 tip and at the sides, hairy; jaws very long and stout, curved, 

 with large basal part and a large but more or less obtuse tooth 

 about in the middle; antennse 15-jointed, light yellow, basal 

 joint twice as long and twice as broad as the 2nd, 3rd and 

 4th more or less completely coalescing together to a double 



joint, which is only slightly 

 longer than the 2nd, 5th joint 

 smaller, 6th slightly longer, 7th to 

 14th longer than broad, narrow 

 at the base, much broader at 

 the tip, apical joint rounded, 

 slender, slightly pointed; pro- 

 thorax ridged in front, hairy, with 

 a reddish yellow cross-band, meso- 

 and metathorax slightly broader 

 legs stout, hairy; abdomen quite 

 pellucid, allowing the dark content 

 of the intestines to shine through. 

 Measurements: Length of 

 body with jaws (opened) 6 mm, 

 length of head 2,5 mm, length of 

 headwithout jaws 1,8 1 mm,breadth 

 of head 1,43 mm, length of pro- 

 prothorax 0,3 2 mm, breadth of 

 prothorax 1 mm, breadth of abdo- 

 men 1,6 2 mm. 



Worker. Elongate, head light reddish-yellow, with lighter 

 median line, rounded, broadest near the base of antennae, 

 whitish in front; clypeus large, whitish, swelled, rounded at 

 tip; jaws large, triangulär, the left one with two not very 

 sharp teeth, the second one continuing into a sharp margin 

 further down, basal part large, angular, the right one with 

 two large and broad triangulär teeth at the tip and a third 

 very much smaller immediately below, basal portion not so 

 angular as in the left one; antennae 15-jointed, 3rd to 6th 

 joints fairly stout, broader than long, 7th — 15th gradually 



Text Fig. 41. 

 a Antenna of soldier of Ahanii- 



termes nidicola Mjöb. n. sp. 

 h Antenna of soldier of Hami- 



termes lativentris Mjöb. n. sp, 



c Antenna of Hamitermes herber- 



fensis Mjöb. n. sp. 



