ERIC MJÖBERG, ISOPTERA. 75 



Neotenic queen. Whitisb with 8 light brown dorsal 

 plates. 



Head rounded with black, rounded but not projecting 

 eyes, antennae 15-jointed, 3rd joint very short, coalescing 

 with the 4th; prothorax thickly covered with long hairs, 

 broad and short, emarginate in the middle of the bind margin. 



Measurements: Length of body 10 mm, length of head 

 1,14 mm, breadth of head l,io mm, length of prothorax 

 0,4 2 mm, breadth of prothorax 0,8 9 mm, breadth of abdomen 

 3 mm. 



The species builds a nest (Text Fig. 64) of quite another 

 type than that one of H. meridionalis Frogg. It grows to a 

 height of about half a meter and about a quarter of a meter 

 in diameter and consists of a greyish-yellowish bard cover 

 of some centimeters in thickness. In the interiör parts are the 

 darker galleries, The whole top of the nest is reserved as a 

 buryingplace for the dead (see the last Chapter on the 

 nests). It is built on dry and open grassy ground and 

 of ten covered över by the very long grass. 



34. Hamiteriiies kimbeiieyeusis n. sp. 



Allied to H. ^neridionalis Frogg., but quite distinct by 

 its very long, sharp and very much backward reaching tooth 

 of the jaws. 



Imago (Text Figs. 39 b, 40 a). Head, prothorax and chitin- 

 ous plates of abdomen dark greyish brown, under-surface 

 and legs whitisb yellow, except two rows of darker spöts of 

 abdomen. Wing greyish brown. 



Head comparatively large and broad, rounded, broadest 

 near the eyes with light median line behind; basal part of 

 clypeus light brown, divided by a dark median suture in 

 two lobes, truncate in front, convex, apical part whitisb, 

 produced in the middle at the front margin, labrum long, 

 broad and convex, rounded at the tip; jaws large and broad, 

 the left one with two large and sharp apical teeth and a 

 large obtuse basal process, the right one with two large and 

 sharp apical and two smaller and more obtuse basal teeth, 

 interiör margin dark fuscous; antennae 16-jointed, dark brow^n, 

 fairly long and slender, 2nd joint only half so long and half 



