272 
uuuy, 
examining these this week I found one larva dead and mouldy ; the 
otkti had become an imago, but had died before getting rid of the 
pupal skin. It is a . 
Two ioc rtmpa ovata laid between tliem about fifty eggs, but most 
of the laivae died young. Five, however, spun up, and one $ has just 
emerged in the perfect state. Unfortunately I can get no alder leaves 
at present to continue the experiment with this female. 
Glasgow: 7 th April, 1881. 
DESCRIl i I OX or a NEW GENUS and TWO SPECIES OF IIE MI PTE RA- 
MET Eli O PTE PA FROM SOUTH AMERICA. 
BY JOHN SCOTT. 
insects which I am about to describe are extremely interest- 
ing on account of their furnishing, so far as I am aware, an additional 
to t e chain of the various ways by which the members of this 
^ 7 ^ °^ ain an existence. They were forwarded to me some con- 
S1C erab e time a S° h y m y fri e»d the Rev. 0. Pickard Cambridge, who 
in his letter accompanying them, says : “ they were found living en 
famine with colonies of spiders.” 
Family NABIDiE, Fieb. 
Genus ABA C II NO CO BIS. 
mad, viewed from above, short, five-sided. Antenna-. 1st joint shortest, a little 
more than half the length of the 2nd j 2nd, 3rd and 4th sub-equal, the latter 
somewhat fusiform. Eyes, viewed from above, almost semi-globose. Ocelli 
small, inserted near the base of the head, nostrum reaching lo the end of the 
metasternum , 1st joint short, stout, a little more than twice as long. as broad • 
-nd about one-third longer than the 1st; 3rd longest; 4th about equal to 
Thorax pronotum very much deflected towards the head, with a narrow collar in 
front ; anterior margin about three times narrower than the posterior measured 
across the posterior angles ; disc convex ; posterior margin concave across 
the scutellum. Scutellmn triangular, longer than the width across the base • 
apex acute. Elytra very much constricted from before to beyond the middle • 
membrane rounded at the apex, with about seven straight nerves, the fourth 
from the exterior margin furcate from the middle. Legs- thighs: 2nd pair 
incrassated with two rows of short teeth on the under-side, 3rd with a long 
stout tooth on the lower side of the base of the fulcrum: tibia: 2nd pah- 
curved, stouter at the base than at the apex : tarsi : 1st joint shortest 2nd 
about one-half longer than the 3rd. 
Abdomen narrowed at the base. 
