GILOLO, TERNATE, AND CERAM. 19 
Fam. SYRPHID ®%, Leach. 
Gen. Syrpnus, Fubr. 
~ 
7. Syrphus ericetorum, Fabr. See Vol. III. p. 97. 
Fam. MUSCIDA, Latr. 
Subfam. Tacurnipgs, Walk. 
Gen. Euryeaster, Macq. 
8. Eurygaster remittens, Walk. See Vol. IV. p. 125. 
Subfam. Drextprs, Walk. 
Gen. Drxta, Meigen. 
9. DEXIA PARALLELA,n.s. Mas. Nigra, angusta, cylindrica, palpis 
antennisque rufis, his apice piceis, arista plumosa, thorace vittis tribus 
albidis, abdomine chalybeo-nigro fasciis albidis atrisque, pedibus 
longis, alis vitreis vitta costali nigra. 
Male. Black, long, slender, cylindrical ; head white, with a black band 
on each side between the eye and the epistoma; front prominent ; 
frontalia broad, deep black ; face slightly oblique; antennze and palpi 
red ; the former piceous towards the tips, nearly reaching the epi- 
stoma; 3rd joint linear, slender, rounded at the tip, about four times 
the length of the 2nd; arista plumose; thorax with three whitish 
stripes, the lateral pair broad, interrupted; pectus and postscutellum 
whitish, the former with two black bands on each side; abdomen 
chalybeous black, full twice the length of the thorax ; segments with 
whitish fore borders and deep-black hind borders ; legs long, slender ; 
wings vitreous, with a black costal stripe, which is interlined with 
cinereous; veins pale except along the costa; prebrachial vein 
forming a-slightly obtuse angle at its flexure, slightly curved inward 
from thence to its tip; discal transverse vein slightly undulating, 
parted by half its length from the border, and by a little less than its 
length from the flexure of the prebrachial ; alule large, white. Length 
of the body 6 lines ; of the wings 10 lines. 
Gen. Rurirta, Desv. 
10. Rutilia atribasis, Walk. See Vol. V. p. 288. 
11. Ruvinia Exceusa,n.s. Mas. Cyaneo-viridis, capite albo strigis 
duabus lateralibus anticis nigris, frontalibus atris, abdomine cupreo, 
basi vitta et segmentorum marginibus posticis nigris, pedibus nigris, 
alis fuscescenti-cinereis basi fusco notatis. 
Male. Bluish green; head white, with a black streak on each side, 
extending from the borders of the eyes to the epistoma; frontalia 
deep black, very narrow on the vertex, widening much in front ; thorax 
9, * 
