334 Records of the Indian Museum. [Vol.. IV, 



Type (female) from Biserat, Siam (Robinson and Annandale) ; 

 others from Phrapatoon, Siam (Dr. P. G. Woollv) ; and from 

 Siam (W. Palmer). 



In Indian Museum females from Biserat, Siam (Robinson and 

 Annandale). 



This and the following species are distinguished by the very 

 large stout first joint of antennae as long as the third joint. The 

 antennae in this species are reddish yellow, the face with no black 

 band but one spot on each side touching the eyes , about half 

 way between the antennae and the oral opening. Frontal callus 

 yellowish brown. Thorax with grey stripes stopping short at 

 suture, two others meeting them from the base. Abdomen black- 

 ish brown with grey spots. Wings with the apical band single, 

 broad, legs with the usual rings on tibiae, hind tibiae fringed. 

 Length 9 mm. 



Face gre^ash, where the dark band is usually apparent it is more 

 yellowish brown, the black spot irregular in shape, pubescence of 

 face whitish. Palpi pale yellow with pale hairs at base, and black 

 pubescence. Antennae reddish yellow, the first joint very large, 

 incrassate, as broad as the third joint at its widest part, with 

 black pubescence, the second joint very small with thick black 

 pubescence, the third joint broad and flattened on its basal annu- 

 lation with the three last ones forming a small apex. Forehead 

 greyish with black pubescence, the paired spots touching the e^^es 

 and the frontal callus, almost round in shape. Frontal callus 

 yellowish brown, shining, almost straight on both borders, and 

 reaching the eyes on lower border, its outer angles rounded reced- 

 ing from eyes, no well-marked spot between the antennae but 

 brown rings surround the base of each antenna. Thorax brown 

 with short yellowish pubescence, the grey stripes dispersed as in 

 H. javana, Wied., and the base of the thorax grey. Sciitellum 

 brown with grey tomentum in centre. Abdomen blackish brown, 

 or reddish brown with ashy grey segmentations and round lateral 

 spots and a grey median stripe is often apparent. Under side 

 blackish brown with grey segmentations. Legs blackish brown, 

 the fore tibiae at base yellowish, the middle and posterior tibiae 

 brownish, each with two yellowish rings, the tarsi on the basal 

 joints of middle and posterior pair yellowish, the femora with 

 black pubescence, thick below, on the hind pair thickest, above, 

 and below at apex. The fore and hind tibiae slightly incrassate, all 

 with black pubescence, which is thickest on the hind pair, forming 

 fringes. Wings brownish, the apical band in type is continuous, cross- 

 ing the whole wddth of apex, crescent-shaped, concave towards the 

 apex, in the other specimens often broken in the middle, the small 

 white spot above stigma has a dark centre, which is occasionally 

 absent, another white spot meets it, partly surrounding the ap- 

 pendix and forming the centre of the first rosette, the second 

 rosette is distinct, encircling the small transverse vein and apex 

 of discal cell, the third and fourth rosettes are fairly distinct 

 below, on the hind border of wing white marks are present in the 



