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the upper frontal callus, bearing a few tiny black pubescence which 

 becomes conspicuous and slightly longer about the ashy grey vertex 

 where there is a rather conspicuous dark brown ocelligerous tubercle ; 

 lower frontal callus shining blackish, transverse and irregularity square, 

 separated from the subcallus by a rather broad interval which is quite 

 bare from pubescence and from the upper frontal callus by a less broad 

 interval, convex, irregularity furrowed in the middle, not reaching the 

 eyes leaving the narrow tomentose lateral margins; upper frontal callus 

 small, narrow and oblong, black but not well shining ; frontal triangle 

 almost wholly occupied by the yellowish shining subcallus leaving 

 a small greyish tomentose upper lateral corner and narrow similarly 

 tomentose rings round the antenna! tossae, and the subcallus with a 

 distinct longitudinal median sulcus. Face broad, covered with ashy 

 grey tomentum ; epistoma moderately convex, quadrate with rounded 

 angles, bearing abundant but not dense long sloping white pubescence 

 with a very few long black hairs intermixed about the middle ; cheeks 

 broad, the upper part about half as wide as the epistoma or the lower 

 part broader than half the width of the latter, the upper corner and 

 the outer margin below to the middle of cheek yellowish and bearing 

 a few brownish pubescence, while the ramaining part bears numerous 

 long white hairs which become longer and denser on the jowls and 

 hardly extend up to the back of the head ; postocular bare rim ashy 

 grey, equal in width throughout the whole length, behind that there 

 is a rather dense black ciliation which becomes rather sparser and 

 shorter towards the jowls, and which docs not extend on the vertex ; 

 the back of the head slightly hollowed out about the upper half, and 

 bearing some fine white pubescence. Proboscis blackish brown, stout, 

 and shorter than the depth of the head, the stalk paler, bearing abund- 

 ant long whitish hairs behind, the sucker-flaps large and wholly two- 

 thirds the length of the proboscis bearing a few scattered short erect 

 yellowish brown bristles beneath. Palpi stout, yellowish but appearing 

 grey on the outside except the tip ; first joint somewhat oval, rather 



