22 ARKIV FÖR ZOOLOGI. BAND 12. N:0 15. 



more or less clouded by light fuscous; scapular field of the 

 forewings long and broad, sending out five free nervures, 

 cross-suture transverse, the first nervure (costa) running along 

 the margin, broad and stout, out to the tip, the second 

 (subcosta?) very short, running into the costa a little, but 

 outside of the scapular shield; the third (radius) runs out 

 free from the shield paralel with the board, but soon turns 

 forwards andj runs up into costa within the first basal 

 third of the wing, the fourth (radius sector) and the fifth 

 (mediana) run both free from each other parallel and un- 

 branched right out to the tip; cubitus runs through the 

 middle of the wing sending out a variable number of bran- 

 ches (8 — 10); in the hindwing the subcosta is quite rudi- 



Text Fig. 9. a Jaws of soldier of Calotermes affinis Mjöb. n. sp. 



h Prothorax » imago » » » » » 



mentary, radius runs as in the forewing up into the costa, 

 radius sector and mediana commence as a single nervure at 

 the base but split up further out within the basal third 

 part of the wing into two stout parallel nervures, which run 

 very closely to each other out to the tip, where theyrejoin; 

 legs fairly short and broad, tibi» slender, with three finely 

 serrated apical spines, the interiör one the longest; abdo- 

 men fuscous, with parallel sides, apical segment rounded, 

 triincated at tip. 



Measurements: Length of body with wings 12 mm, 

 length of body without wings 7,5 mm, length of head 1,4 3 

 ram, breadth of head 1 mm, length of prothorax 0,6 7 mm, 

 breadth of prothorax 1,0 8 mm, length of forewings 9,5 mm. 



