106 . Mr. T. D. A. Cockerell — Descriptions and 



ferruginous, darkest in middle. Wings dusky, strongly so 

 in costal region ; second r. n. going as far beyond second 

 t.-c. as first beyond first t.-c. Legs red and yellow, with 

 orange-fulvous hair, the yellow on under side of femora and 

 on hasitarsi; no pulvilli. Abdomen shining, punctured, the 

 punctures much larger on the basal than apical part of 

 segments ; first, third, fourth, and fifth segments with entire 

 yellow bands, second with a yellow patch on each side, apical 

 segment yellow with a ferruginous mark on each side ; 

 ventral scopa light fulvous. 



Hub. Gatun, Canal Zone, Panama (A. H.Jennings). U.S. 

 National Museum. 



Nearest to H. aureocinctum, Ckll., but mesothorax without 

 discal stripes and abdomen without black. Also related to 

 II. elegantulum (Smith), but antennae and abdomen differently 

 coloured. 



Hypanthidium ecuadorium (Friese). 



£ . — Length about 8i mm. 



General form and appearance of H. favomarginatum (Sm.) ; 

 head and thorax black and yellow (a sort of dilute orange) j 

 the yellow parts of the head are the clypeus (except fuscous 

 lower edge), a broad supraclypeal band presenting two 

 angulations above (the inner side of each bounding the 

 antennal socket), broad lateral marks ending in a point at 

 level of lower side of anterior ocellus, a band across hind 

 part of vertex and extending halfway down cheeks, and 

 most of outer surface of mandibles ; front, vertex, and meso- 

 thorax extremely densely punctured ; antennae reddish, the 

 scape yellowish in front near apex and with a large black 

 mark on inner side; flagellum, except basally, strongly 

 suffused with dusky ; sides of metathorax with a narrow 

 yellow band which* curves around in front, but is very 

 broadly interrupted in middle ; axillae and scutellum (except 

 a broad basal triangle) yellow ; metathorax with rather small, 

 irregular basal pits, and a large smooth excavated space on 

 each side ; tubercles largely yellow ; pleura black ; tegulaj 

 lar^e, light ferruginous. Wings fuliginous, especially in 

 costal region ; second r. n. going as far beyond seeond t.-c. 

 as first beyond first t.-c. Legs variegated, blackened basally, 

 the femora with a red streak above, and the anterior and 

 middle ones with a shorter apical yellowish streak behind ; 

 tibiae reddish and blackish, the hind ones darkest; tarsi 

 dark with white hair on outer side, anterior tarsi with 

 a lon°- silky white fringe behind. Abdomen shining and 

 quite °sparsely punctured, black, the hind margins of the 



