314 PERCY SLADEN TRUST EXPEDITION 
Ulidine. 
PseuDEUXESTA Hendel, Genera Insectorum, 106, p. 30. 
11. Pseudeuxesta prima Osten-Sacken, Ann. Mus. Gen., xvi. p. 470. Described 
from Celebes and New Guinea. Wing, Fig. 8. 
Localities. Seychelles. Mahé: from beach, Long Island, VII. 1908, 10 specimens ; 
from near Morne Blanc, X.—XI. 1908, 1 specimen. 

Fig. 8. Pseudeuxesta prima, Ost.Sack. «x 15. 
Acrosticta Loew, Berlin. Ent. Zeitschr., xi. (1867), p. 293. 
See Hendel, Wien. Ent. Zeit., xxviii. (1909), p. 247. 
12. Acrosticta exsul, n. sp. (Fig. 9 and Plate 19, figs. 4, 5). 
This species approximates to A. scrobiculata Loew. 
Head. Eyesbare. Top view:—hind boundary flat; vertex rather shining greenish- 
black, finely punctate ; broad triangular eye-margins the same; frons with parallel sides, 
from tip of ocelli to forehead rather shining brownish-red, paler in front. The forward 
eye-margins, beyond f. o. b., are narrowly silvery. Frons pitted all over, except just in 
front of ocelli: each pit carries a fine bristly hair, the centre ones converging. Front 
eye-margins bordered by a regular outward bent row of such bristles. The bristles 
on paler part in front bend forwards, the others are irregularly oriented. 

Fig. 9. Acrosticta exsul, n. sp. x 20. 
There are two upper f. o. b. bristles on the shiny upper eye-margins, equal sized 
verticals, i. v. bent towards one another, the o. v. outwards; divergent oc. between 
front and back ocelli, divergent p. v. well below vertex; a double row of post-ocular 
bristles on upper half of the hind eye-margins. 
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