NEWS. 31 
lt | sometimes come in such numbers 
arken the sun. The blacks may then be seen running 
nd forth over their plantations in the hope of saving 
os from the voracious marauders. At night these 
(native name ") settle on trees and shrubs, 
s in such numbers as to almost cover them, and they 
so closely together that a certain number break their 
by striking their fellows and therefore fall helpless to 
ound. The insects are eaten by lizards, small mammals 
iirds, especially a sort of plover, Glercola nordmanni, 
apparently follows and feeds entirely on locusts. The 
ricans, too, are very fond of them when roasted. 
t also kill them by dropping them into boiling water and 
ee ak casts inte I have found 
t per cent. of these locusts infested with a long 
t embryo (Gordius sp.). On one occasion, too, 
7 [enormous mumbers dying on the ground. I examined 
‘ but could not discover the cause of their fate. 
e 
1. 
No. 626. ? Drilus sp. (Coleopt.) 
r of the Malacodermata (imago unknown) which 
“. peatedly tried in vain to breed out. The larva is com- 
’ te ret, Pevating The grub is 
by the natives “Ochisia,” which is equivalent to Noli me 
— It is greatly feared, because if one steps on it with 
it the bristles with which it is armed pierce the thick 
STi soa, conse peu, som. 
jon and even sbaphing One may hear a whole caravan 
warning each other that there is an “Ochisia” in the 
537- 
12. 
amine Fabr. (Dipt.) 
on (the larva of which has been somewhat unfortu- 
Rated; designated as the “Congo” Floor Maggot) is an im- 
7 ' human ectoparasite, widespread in Africa, living en- 
; in its larval state, so far as is known, on human blood. 
