716 
RHYNCHOTA. 
while Corixidce swim in the reverse manner. The body is convex and not 
battened ; the eyes are large, the head sunk in the thorax, the body 
Fig. 490 —Enithares temple- 
TONT. X 5. 
Fig. 491 —Micronecta 
STRIATA. X 6. 
formed for swimming. The beak is short 
and stout; the forelegs are formed for 
grasping, the posterior legs for swim¬ 
ming. Air is taken under the elytra and 
these insects come to the surface periodi¬ 
cally. Nothing appears to be known as to the habits of Indian species ; 
they are probably predaceous and some are sufficiently common in 
freshwater tanks. The eggs are said to be inserted into the stems of 
plants. 
Distant mentions fourteen species in the following genera : Noto- 
necta (2), Enithares (5), Anisops (3), Plea (4). The actual distribution 
in India of these insects appears to be unknown. 
CORIXIDiE. 
Forelegs inserted on the posterior margin of 
the prosternum. Rostrum concealed , 
apparently unjointed. 
Like the last but flattened, the scutellum 
small, the forelegs short. There are but three 
recorded species from India, of whose life- 
history and habits very little is known. 
Corixa hieroglyphica , Duf., is probably 
widespread and occurs also over Northern 
Asia, Europe and America. It is abundant 
in tanks in the plains, swimming actively and periodically returning to 
the surface for its air supply. Micronecta (Sigara), striata , Freb., is 
Fig. 492 —Corixa hiero¬ 
glyphica. x 5. 
