ERIC MJOBERG, ISOPTERA. 



23 



breadth of forewings 2,5 mm, length of hindwings 8 mm, 

 breadth of hindwings 2,4 mm, breadth of abdomen 1,3 mm. 



Soldier (Plate 1, Fig. 7, Text Fig. 9a and 10). General 

 colour dull white, head rufous, jaws black, fuscous at the 

 base. 



Head not twice as long as broad from the base to the 

 anterior margin of clypeus, cylindical, with parallel sides, 

 posterior angles rounded, anterior obtuse, sloping down rather 

 sharply in the front, irregularly rugous; clypeus broad and 

 short, abruptly truncate in front; labrum much 

 smaller, reaching to the second tooth of the right 

 jaw, narrow, rounded at the sides, slightly truncate 

 a t the tip; jaws curved, crossing över each other 

 with the tips, the left with three small, obtuse, 

 more or less triangulär teeth above the middle, the 

 right with two indistinct, more or less triangulär, 

 teeth and a small incision further down ; antennse 

 (Text Fig. 4) reaching to the tip of the jaws, 13- 

 jointed, basal joint very stout, darkly rufous, the 

 rest much lighter, yellowish white, 5th to 12th 

 very much broader at the tip; prothorax much 

 broader than long, slightly emarginate at the an- 

 terior margin, anterior angles rounded, sides 

 tapering towards the broadly rounded hind angles, 

 slightly emarginate at the hind margin, with a faint 

 median line, sides broadly flattened, marked off Text Fig. lo. 

 as described in the imago, meso- and metathorax Antenna of 



^ ' ^ soldier oi 



a little broader, emarginate at the posterior mar- Giyptotermes 

 gin, legs as in imago; abdomen with parallel sides, affimsMjos. 

 shining. 



Measurements: Length of body (with jaws) 7,5 mm, 

 length of head with jaws 3,i mm, length of head without 

 jaws 2 mm, breadth of head 1,4 4 mm, length of prothorax 

 5,7 6 mm, breadth of prothorax 1,27 mm, breadth of abdomen 

 1,33 mm. 



Worker. Body long and slender, dull white, head and 

 two spöts near the anterior margin of prothorax light rufous J 

 tip of abdomen rounded. 



Measurements: Length of body 5,7 mm, length of 

 head l,i4 mm, breadth of head l,i3 mm, length of prothorax 



