124 Psyche [March-June 
frons; lateral margins concave, diverging basally, raised; pos- 
terior margin rectangularly excavated, a transverse carina be- 
fore level of anterior margin of eyes, disc deeply depressed; 
frons narrow, four times as long as wide at widest part, lateral 
margins much raised, gradually diverging to level of median 
ocellus, thence gradually curving inward to suture, median ca- 
rina absent, median ocellus distinct; frons curving at base un- 
interruptedly into vertex; clypeus narrow with a strong median 
carina, lateral margins carinate; gense slightly tumid below 
antennae; antennae with basal joint conspicuous, one third 
length of second joint, second joint cylindrical. Pronotum with 
anterior margin concave behind eyes, acutely produced at mid- 
dle, posterior margin shallowly angularly emarginate, median 
carina prominent, lateral carinae of disc absent, lateral margins 
distinctly carinate between eye and tegula. Mesonotum feebly 
convex, posteriorly flattened, not depressed, tricarinate, tip of 
scutellum pointed. Legs slender, hind tibiae unarmed. Abdo- 
men with wax-bearilig plates very prominent on segments 6, 7 
and 8. 
Tegmina with Sc+R+M stalk as long as basal cell, Sc+R 
forking near stigma. Nine apical cells, four subapical. 
Southia iridescens n.sp. 
(figs. 11-13, 33) 
Female. Length, 3.1 mm.; tegmen, 5.5 mm. 
Vertex, frons, except on lateral margins, genae, pro- and 
meso-coxae and postfemora, and abdomen fuscous; mesonotum 
fuscous with a dark green iridescence; clypeus, lateral margins 
of frons, and pronotum testaceous; rostrum, legs, except pro- 
and meso-coxae and postfemora, basal joint of antennae, an- 
terior and posterior margins of pronotum, and tegulae strami- 
neous; second joint of antennae reddish brown; membrane of 
abdomen pallid. 
Tegmina hyaline, ivory-yellow, a small dark spot at stigma 
bordered with pale, a minute fuscous spot beyond apex of 
clavus, apex of M faintly smoky; veins testaceous. Wings 
hyaline, veins fuscous. 
Ovipositor with third valvulae bluntly triangular, thickened. 
Described from one female collected on El Tucuche, Trini- 
dad, B. W. I. by P. J. Darlington (April, 1929). The genus 
