HEMIPTERA HETEROPTERA. 1 | 
4. DEREPTERYX TRUNCATA. 
Mas. Nigra; antenne ferruginee, corpore longiores ; prothorax postice 
fulvo marginatus, lateribus angulatis subascendentibus valde dilatatis 
antice dentatis ; abdomen fulvo marginatum et bimaculatum ; pedes 
rufi, subdilatati, nigro maryinalti; ale antice fulve, striga discali 
nigra interrupta. 
Male. Black. Antenne ferruginous, longer than the body; joints 
from the first to the third successively decreasing in length. Prothorax 
tawny along the hind border and along the hind side of each lateral 
angle; sides much dilated, angular, slightly ascending, largely dentate 
along the fore part of the angle. Abdomen tawny along each side, with a 
tawny spot in the middle of the disk above, and another nearer the tip. 
Legs red; femora slightly dilated, and bordered with black above and 
beneath ; tibie more dilated, and more bordered with black; hind tibie 
most dilated near the base beneath. Fore wings tawny, with a black 
interrupted streak in the disk. Length of the body 10 lines. 
The wings of the specimen described are not fully developed. 
a. Sarawak. Presented by W. W. Saunders, Esq. 
Genus 3. MYGDONIA. 
Mygdonia, Stal, Hem. Afr. ii. 16. 
A. Middle lobe between the antenniferous tubercles 
well defined. - - - - bellicosa. 
. Middle lobe between the antenniferous tubercles 
hardly distinguishable. 
a. Angles of the prothorax not truncated. 
* Antenne smooth. 
t+ Prothorax not granulated. 
t Fourth joint of the antenne not longer than 
the others. 
§ Hind tibie slightly dilated.  - - - valga. 
§& Hind tibiz considerably dilated. z - cruciata. 
tt Fourth joint of the antenne longer than the others. 
§ 
x 
ss) 
Hind tibie distinctly dilated. 
Hind tibie pale towards the tips. - - terminalis. 
XX Hind tibiz not pale towards the tips. 
o Second and third ventral segments of the male 
extending together nearly to the hind 
border of the fourth segment. 
« Dorsum of the abdomen black. - = oblongipes. 
worm Dorsum of the abdomen red. - - - rufidorsis. 
oo Second and third ventral segments of the male 
not extending together nearly to the hind 
border of the fourth. 
« Antenne wholly black. - zs - granulata. 
corm Antenne wholly? black. - - = spinulosa. 
toro Fourth joint of antenne pale ferruginous. - Hottentotta. 
worororm Antenne yellow; fourth joint dark. - - lividipes. 
