GENUS MEGAEHINA 271 



3. MEGARHINA IMNORNATA, Walker. 



("Proc. Liun. Soc." viii, p. 102.) 



Caudal adornment yellow and black. All the tarsal joints of 

 the ? , with basal white bands, except the first joints of the hind 

 legs ; those of S' unhanded. Thorax, deep bronzy-brown, azure* 

 over the roots of the wings and on the prothoracic lobes. 



Head dark bronze, peacock-blue in front, and rather redder at the 

 sides ; palpi purplish in the ^ , darker in the $ , with the apices of second 

 and third joints brilliant violet or blue. Plurae brown with patches of 

 white scales. Abdomen blue at the base, then purple, then coppery-red, 

 with caudal tuft of black and orange hairs, white tufts anterior to it. 

 Legs of (J purple, femora pale below. Length. — 11 mm. 



Habitat. — New Guinea. 



In Walker's original description of this most inappropriately 

 named species, his characteristic omission of all its most dis- 

 tinctive characters led to its being placed among the species 

 without contrasted caudal tufts, and hence its altered position in 

 the present issue. 



4. MEGARHINA SPLENDENS (Wied.). 



Cidex splendens, Wied., " D. E.," p. 7, and " Zool. Mag." 

 iii, 2, No. 1. 



Caudal ornamentation, yellow and black. First and second 

 tarsal joints of fore and mid legs white. Thorax greenish or 

 yellowish-black, whitish on the pleurae. 



" Thorax black, with metalUc golden and green scales ; pleurae black,, 

 densely white scaled. Abdomen metallic-green at the base, purple 

 posteriorly, with dense golden-orange caudal tuft and white hairs 

 laterally. Legs brilliant golden and green; apices of the joints rich 

 green, metatarsi and tarsi partly white. Length. — 10*5 mm. 



Habitat. — Java, Sumatra, Batavia, Singapore. 



5. MEGARHINA PURPURJEA, Theob. (Monog., I, p. 230.) 



Caudal tufts yellow and black. Fore tarsi unhanded ; mid, 

 with white spots on outsides of second and third joints ; hind, 

 with similar spots on third joint. Thorax castaneous, with a. 

 median azure line. Abdomen, brilliant purple. 



Thorax chestnut-brown, with a median azure-blue line and azm-e-blue 

 scales at the sides, deep blue in front of the scutellum, scutellum with 

 pale blue scales ; abdomen metallic-purple, first segment peacock-blue. 



