MEMBRA Cl D/E. 
103 
OCHROPEPLA IN^EQUALIS, Stal. 
(Plate XXII. fig. 2.) 
Fowl. l.o. Tab. IY. fig. 8, p. 44. 
Very small; colour obscure ferruginous brown, more or less mottled with ochreous 
sains; the dorsal edge of pronotum rather sinuous ; tegmina with brown neuration. 
The insect I have figured is from the Hope Collection, but it rather differs from 
Fowler’s figure. Probably it is one of the brown varieties he notes. 
Size, 4x2 mm. 
Habitat. —Chiriqui, Mexico, 4000 feet elevation. 
Disparity of size in examples of almost the same genus ; such as O. disparities and 
Hojilophora gigantea , are striking. Inequality cannot be explained by differences of 
food or its abundance, neither has climate or temperature any appreciable effect in its 
production. 
The nature of the initiative force imparted to the germ of the ovum is at present, 
and perhaps will always be, out of our ken. 
Examples of species not here figured are : 
O. hebes, Walk. (Ti-iquetra), l.c. p. 525. Columbia. 
O. dabia, Fowl. l.c. p. 45, Tab. 7. Panama. 
Genus: POTNIA, Stal. 
Berl. Ent. Zeitschr. x. p. 388 (1866); Fowler, B.C.A. Homop. p. 45 (1894). 
This genus comprises a few small species which are principally characterised by 
the pronotum being produced into a porrect and more or less extended horn, 
somewhat like that of Enchenopa, but showing a different neuration of the tegmina 
and having the posterior tarsi short, as in all the Hoplophorinse. 
Stal describes the tegmina as having four apical cells, but probably this number 
is not constant in all species of the genus. Enchotype of Stal has only three apical 
areas, and is nearly allied to Potnia. 
POTNIA AFFINIS, n.s. 
(Plate XXI. fig. 3 $, figs. 3a, 3b, 3c $ .) 
Colour of the male greyish brown, with a slight tendency to mealiness; pronotum 
with a flat, obtusely pointed, porrect horn ; dorsal ridge somewhat sinuous and ending 
in a point which reaches to about half the length of the tegmina; tegmina with five 
distinct apical areas ; legs short, yellowish, with their tarsi nearly equal in length in 
all the pairs ; metopidium much punctured, swollen, and with two short stout 
suprahumeral processes. 
