ERIC MJÖBERG, ISOPTERA. 47 



which has the 4th joint very small and much broader 

 than long (se Fig. 18 e), 5th to llth becoming longer and 

 more slender, lighter in colour at the tip and at the base, 

 12th slightly longer and more slender than in E. fumipennis 

 Walk,, palpi long and slender, light fuscous; prothorax very 

 small, front margin raised to a frontal, darkly coloured ridge; 

 legs longer and more slender than in E. fumivennis Walk., 

 whitish yellow; abdomen slender, rounded; cerci stout. 



Measurements: Length of body 3,5 mm, length of 

 head 1,4 6 mm, length of snout 0,9 3 mm, breadth of snout at 

 base 0,17 mm, breadth of head 0,8 2 mm, length of prothorax 



Text Fig. 19. Shape of head of soldier of Eutermes 

 pluvialis Mjöb. a from the side, b from above. 



0,2 7 mm, breadth of prothorax 0,4 8 mm, breadth of abdomen 

 0,91 mm. 



Worker. Whitish, head light brown with a large blotch 

 of darker reddish-brown or light-yellowish covering the upper 

 surface, divided down the middle by a lighter whitish yellow 

 band meeting in front a lighter cross-band, with a well-marked 

 dark chitinous spöt at either side in front of the antennse, 

 in the hind head a short whitish line on either side of the 

 median band; basal part of clypeus rounded, convex, apical 

 part impressed at base, rounded at the sides tapering towards 

 the rounded tip, labrum large, broad, convex, rounded at tip, 

 jaws triangulär, the left with two sharp apical teeth, a 

 much smaller obtuse one further below, and a black protruding 

 basal angular one, the right with two not quite so sharp 



