32 



ARKIV FÖR ZOOLOGI. BAND 12. N:0 15. 



clypeus not distinctly marked, flat with a lighter yellow 

 longitudinal marking from the fontanel towards thelabrum; 

 labrum (Text Fig. 12 d) much longer than borad, rounded at the 

 sides, tapering forwards, with a broad transparent rounded 

 börder in front, thickly armed with small fine hairs; jaws 

 (Text Fig. 12 b) very strongly developed, dark rufous at the 

 tip, lighter at the base, the apical part much bent inwards, 

 the left jaw with two large, broad and leaf-like teeth above 

 the middle, the right with one large tooth, the base of 

 each jaw beautifully and finely serrated; antennae springing 

 from a deep cleft, the upper margin of which is more strongly 

 chitinized and more deeply coloured, long and slender, basal 



Text Fig. 12. a Head, b antenna, c jaws, d labrum of soldier 

 of Parrhinotermes queenalandicus Mjöb. n. sp. 



joint not much broader than the following, 2nd shorter, 3rd 

 distinctly longer, of the same size as the two following ones, 

 6th — 12th rounded at the sides, apical joint ovate, more 

 elongate; prothorax very much broader than long, slightly 

 arcuate in the centre at the anterior margin, yellowish-white 

 with a lighter median line, sides tapering sharply to the 

 completely rounded hind angles, meso- and metathorax smal- 

 ler; legs slender, hairy; abdomen strongly hairy, cerci stout. 



Measurements: Length of body (with jaws) 4 cm, 

 length of head (with the jaws crossing each other 1,62 mm, 

 breadth of head 0,9 5 mm, length of prothorax 0,3 mm, 

 breadth of prothorax 0,5 7 mm, breadth of abdomen 0,7 mm. 



Work er. Whitish, head light yellowish, broad, rounded; 



