Not entirely sure about the description of the valve.
Also, nothing below mentions a white frons.


Cat. Lep. Ph. Brit. Mus.:

Bombiliodes collocata. (Plate VII. fig. 22.
Gymnelia collocata, Wik. xxxi. 84 (1864); Kirby, Cat. Het. p. 136.

Head and thorax black; spots on shoulders, coxae, and
patches on sides of metathorax white; tegule with metallic blue
spots; abdomen black, with subdorsal series of metallic green spots,
the last two segments banded with orange; the ventral valve edged
with white, a white patch on following segment and yellow patch
on terminal segments; wings hyaline, the veins, and margins
broadly, black. Fore wing with black discocellular patch; the
terminal band of both wings expanding towards apex and tornus,
Amazons, 42 millim.

AZ NOTE: Cat. Lep. Ph. Brit. Mus. uses a non-standard definition of "tegulae" and "patagia".
From Vol. 1:
"The thorax consists of three segments-the prothorax, bearing the
tegulm or collar-lappets, the patagia or shoulder-lappets, and the
fore legs ..." 





Seitz:
A. collocata Wkr. (11 e). Head, thorax and abdomen are black; collar spotted in a metallic blue; spots on the shoulders, the hips at the sides of the metathorax are white. 
The abdomen shows subdorsal rows of metallic green spots; the last 2 segments are orange-curled. The ventral valve is white-margined and the 6th and 7th segments show on the 
ventral side a large, red-yellow spot. The wings as in the allies. From the Amazon District (Ega).