302 PERCY SLADEN TRUST EXPEDITION 



claval areas, more or less, dark fuscous ; wings hyaline, the veins fuliginous ; head 

 (including eyes) narrower than pronotum, antennae with the basal joint black, the 

 second joint ochraceous ; face much longer than broad, marginally and medially strongly 

 carinate, the medial carination bifurcate at base, obliquely narrowed near clypeus ; 

 mesonotum tricarinate ; tegmina about three times longer than broad ; posterior tibise 

 with a long robust apical spine and a short spine beyond middle. 



Long. excl. tegm. 2 mm. Exp. tegm. 6 mm. 



Loc. Seychelles. Silhouette : high country near Mont Pot-k-eau, about 1500 feet; 

 Mare aux Cochons, plateau and jungle above ; low coconut-planted country near the 

 coast, Pointe Etienne. Mahe : from near Morne Blanc ; Cascade Estate, 800 — 1000 feet, 

 and forest above ; marshes on coastal plain at Anse aux Pins and Anse Eoyale. Found 

 in grasses, &c., in more open places in lower parts of mountain-forests. 



196. Opiconsiva halteata, sp. n. (Plate 51, fig. 8 a). 



Vertex of head pale ochraceous, eyes black ; pronotum and mesonotum pale castaneous- 

 brown, both with a broad, longitudinal, pale ochraceous fascia, abdomen above black, 

 its base and apex pale ochraceous ; face and clypeus ochraceous, the former with the 

 lateral areas black ; sternum and legs ochraceous ; tegmina subhyaline, the veins 

 ochraceous ; inner margin, scarcely reaching claval area, dark fuscous ; wings subhyaline, 

 the venation pale fuliginous ; head (including eyes) narrower than pronotum ; face 

 much longer than broad, the posterior lateral margins distinctly rounded. 



Long. excl. tegm. 2^ mm. Exp. tegm. 6 mm. 



Log. Seychelles. Mahe: Cascade Estate, about 1000 feet; country above Port 

 Glaud, 500—1000 feet. 



By the coloration of the tegmina this species is allied to the two preceding species 

 0. fuscovaria and 0. colorata, but differs by the broad pale fascia to the pro- and 

 mesonota, which character allies it to the two following species, 0. insularis and 

 0. derelicta, but from all these it is to be distinguished by the structure of the 

 face, which is distinctly rounded posteriorly. 



197. Opiconsiva gloriosa, sp. n. 



Head, pronotum and mesonotum black ; a broad, longitudinal central pale ochraceous 



fascia, occupying the whole central area of vertex and 

 passing through pro- and mesonota ; head beneath 

 T A black ; body beneath more or less black (imperfectly 



seen in unique carded specimen) ; legs ochraceous ; 

 tegmina black, the claval area paler and with two 

 longitudinal black spots at apex, about two-thirds of 

 I posterior marginal area pale greyish subhyaline, the 



inner apical area palely blackish ; the longitudinal 

 pale ochraceous fascia more or less depressed, head 

 including eyes narrower than pronotum ; veins to 

 Fig. 3. Opiconsiva gloriosa Dist. tegmina moderately setigerous ; vertex and face dis- 

 tinctly projecting beyond the eyes. 



