( 45 ) 



with (lark lilne ; antennae deep iinqjle ; thorax dark purple grey-brown strongly 

 shot with opalescent green ; abdomen deep sooty black on dorsum, glossed with 



dull purple, sides glittering blue-green. Forewing bright bluish jjlnm-purple ; 



hindwing dark blackish grey glossed with blue purple, disc semihyaliue, paler, 

 tornus produced into a long point. 



Length of fore wing : 19 mm. 



Ilab. La Vuolta, Canra River, April 1903, 1 S, and Maripa, Canra River, 

 Venezuela (iS. M. Klages), 5 cTc?; Aroewarwa Creek, Maroewyin Valley, Surinam, 

 February 190.5 (S. M. Klages), M S S ; Calama, Rio Madeira, 1 c?, and Allianca, 

 below San Antouio, Rio Madeira, Brazil, November — December 1907 (W. Hoff- 

 manns), 9 <?c?; Fonte Boa, Upper Amazons, May 1906 (S. M. Klages), 2 SS. 

 Type S, Allianca. 



9.J. Mesothen dorsimacula sp. nov. 



? . Legs deep brown, fore coxae white ; palpi black ; head black with some 

 minute white dots ; autennae black with broad white subterminal band ; thorax 

 golden orange ; abdomen golden orange, a mediau black patch on two basal 



segments, two penultimate segments black, anal segment metallic blue. 



Forewing hyaline-white, base golden orange, costa, nervures, discocellular l)ar, 

 a subbasal patch, inner margin, tornus, outer margin, and terminal fourth of wing 

 black ; hindwing hyaline- white, margins, termen, and nervures black, base 

 narrowly orange. 



Length of forewing : 17 mm 



Jliib. Tnis, Costa Rica. 



NEW AEGEBIIDAE. 



By the Hon. WALTER ROTHSCHILD, Ph.D. 



1. Sphecia bombyliformis sp. nov. 



c?. Middle and fore legs black-brown, hairy, tarsi orange-brown ; hindleg 

 black-brown with very long hair, proximal half of tibiae white ; palpi black 

 clothed with enormously long hair ; head black, circle round eyes white, collar 

 dark grey, antennae black ; thorax hairy black ; abdomen very hairy black, three 



median segments bright yellow above, anal tuft and fringe brownish rufous. 



Wings hyaline-yellowish, nervnres and margins dark brown, discocellular bar 

 dark brown. 



Length of forewing : 17'5 mm. 



JIab. Khasia HUls, Assam, June 1895 (native collector), 2. 6 S,\ ?. Type S. 



2. Melittia imperator sp. nov. 



? . Forelegs black, tarsi rufous scarlet ; middle legs black-brown, tarsi rufous 

 scarlet; hindlegs very strongly tufted black, with tufts on tibiae and entire tarsus 

 and its tufts bright rufous scarlet ; i)alpi and head black-brown, frons with two 

 white streaks ; thorax black-brown with rufous patches ; abdomen bright purple, 

 segments edged anteriorly with rufons scarlet. Forewing bright metallic blue- 



