534 BOMBYLID.E 



Very similar to A. Paniscus and A. cAngulatus but dis- 

 tinguished from both by the more extensive and obvious 

 darkening of the foremargin of the wing, and from A. Paniscus 

 by the banded abdomen of the male. 



$. As the species of this group are exceedingly closely allied I give only 

 comparative characters, mainly with A. Paniscus. 



A smaller narrower species than A. Paniscus with a much more conspicu- 

 ously smoky blackish foremargin of the wing which occupies the whole of 

 the base and is bounded below exactly by the upper side of the discal cell 

 until the dark cloud fades away in an indefinite diagonal direction from 

 about two-thirds or more of the discal cell towards the end of the subcostal 

 vein. Pubescence slightly shorter. 



Head with the space between the eyes at the vertex slightly narroAver 

 and widening downwards with straighter sides ; frons with more diffused 

 golden scales ; face without any black hairs on the upper part of the eye- 

 margins or with them very indistinct ; back of the head more greyish black 

 and perhaps duller, with the jiale postocular scales smaller and yellower or 

 greyer or even tawny orange but distinctly not silvery anywhere. Antennae 

 possibly with the dilated triangular base of the third joint tapering more 

 gradually into the style-like portion, and thereby making the latter appear 

 shorter. 



Thorax with the silvery patch at the base of each wing very much as in 

 A. Paniscus; pubescence on the flat slope on the hind part of the disc less 

 coarse and slightly shorter ; pubescence on the pleura similar in colour to 

 that on the disc. 



Scutellum margined about the sides with conspicuous dark tawny scales. 



Abdomen with five bands of yellow scales, and with much less pale 

 pubescence on the disc so that the black ground colour is much more obvious, 

 and the few erect thin black hairs on this black part of the end segments 

 more conspicuous because of the absence of the concealing tawny pubescence ; 

 the black tufts on the sides of the fifth and sixth segments rather smaller, 

 less conspicuous, and less combined with the other black pubescence on 

 those segments, and the white tufts smaller and rather yellowish or at least 

 not brilliantly white, while the apical black patch is smaller or at any rate 

 less defined because of the pale pubescence on the hindmargin of the sixth 

 segment. Abdomen with five bands of elongate yellow scales, the bands on 

 the foremargin of the second and fourth segments being rather broad and 

 conspicuous as they occupy about one-third of each segment though rather 

 narrowed about the middle (especially on the fourth segment) ; the three 

 narrow bands placed respectively on the foremargin of the third segment and 

 on the hindmargins of the fifth and sixth segments are also conspicuous 

 though much narrower than the other two, ancl sometimes a slight band of 

 yellow scales occurs on the seventh segment ; no other yellow scales occur 

 on the disc of the abdomen except a very few scattered ones about the 

 middle of the fourth and fifth segments. Belly with the fourth segment 

 almost entirely covered with pale yellow recumbent coarse scaly pubescence, 

 and the fifth and sixth (and to some extent the seventh) segments with 

 similar pubescence which is abundant rather broadly on the hindmargins, 

 while the basal segments have still sparser scaly yellow pubescence but have 

 some long pale yellow hairs ; the middle part of the third segment and the 

 base of the fifth and sixth segments bear some depressed black scales which 

 may be rather concealed in very perfect specimens. 



Legs without any splayed out black scales on the hind tibiae though with 

 very numerous short black bristles and some closely adpressed black and 

 grey scales ; hind tibiae bearing fairly numerous and sometimes abundant 

 yellow scales ; hind femora with the postero-ventral row of black bristles less 

 complete, but with numerous black scales on the underside ; claws tawny 

 on the basal half. 



Wings with the foremargin darkened or almost blackened (though not 



