416 Timehri. 
ment, the apical pair larger and wider than the basal. Ventral keel straight. 
Thorax with the basal half distinctly narrower than the baszl ; a smooth tuber- 
cle at the base of the metanotum—Pleure smooth, the apex of mesopleure 
crenulated. Metapleure sparsely punctured. Pygidium regularly lengi- 
tudinally striated. There is a line of white pubescence along the lower side of 
the 2nd abdomial segment ; the lower edge is covered with white pubescence, 
The ventral segments are fringed with white pubescence. Female. 
Length 12 m.m. 
Allied to EZ. indica ; that specics is larger, has the basal 2 spots on the base 
of the 2nd abdominal segment longish, longitudinal, oblique, the apical 2 
larger, transverse, the lateral tubercle at the base of the metanotum is larger, 
more prominent, the apex of the sides of the mesonotum projects more and has 
a more distinct tubercle at the base of the projection, the ventral keel is 
incised in the middle and the pygidium is not aistinctly longitudinally striated. 
ScoLuD&. 
Dialis peregrina, Lep., var. regina, Saussure. Cf. Cat. sp. gen. Scolia, 217, 
218. 
Elis regina, Gam. Biol. Cent. Am. ii., 228. 
Dielis hyalinis, Savssure |.c., 219, 236. 
Dielis conspicua, Smith. Cat. Hym. Ins. Brit. Mus. ili., 107, 106; Saussure 
L.c., 228, 243. 
Dielis dorsata, Fab. Seolia hematogastra, Perty, Erichson, in Schomburgk’s 
Reise in Brit. Guiana, in, 589. 
Elis dorsata ; Cam. Biol. Cent. Am., Hymen., 11., 230, 9. Female and Male. 
Both sexes ate in the collection. One Male is 17, another 13 m.m. long. 
Dielis variegala, Fab. Elis variegata, Saussure, Cat. Sp. Gen. Scolia, 226, 303 ; 
Cam., Biol. Cent. Am., Hymen. 11, 229, 7. 
Dielis nitidiventris, sp. nh. 
Black. shining, with bluish violaceons tint which is more shining on the 
abdomen, the face. 2 line on the lower half of the eve incision, widened below, 
a broad line on the apex of the prothorax, the part onthe pleure roundly 
narrowed below, curling round to the tubercles at the apex, a short narrow 
line on the mesonotum shortly beyond the tegule, a mark, wider than long, 
rounded and narrowed on the uimer side, on the sides of the scutellum in 
the middle, but neazer the base than the apex, a curved line on the post 
scutellum, nearer the base than the apex, large transverse lines on the sides 
of the basal 3 abdominal segments, that on the lst gradually narrowed to the 
inner side, the following 2 larger, wider, the 2nd broadly, roundly dilated on 
he outer side at the base, the 3rd is wider, but not so widely dilated on the 
basal outerside ; there is a shorter. narrower line on the sides of the 4th on the 
ee “se oie 
