( 25 ) 



first two segments of abdomen dull brownish yellow, a band of rufons brown on 

 second segment, rest of segments black, each with a narrow band of dull brownish 



3-ellow on front edge, Wings hyaline, costal and inner margins of forewing 



brownish yellow. 



Length of forewing : 14 mm. 



Hab. Caparo, Trinidad, December 1905 (S. M. Klages), 4 cJc?. 



6. Sphecosoma aurantiipes sp. nov. 



(?. Legs orange; whole nnderside gamboge-yellow; palpi and frons yellow; 

 vertex black ; tegnlae, basal half golden yellow, apical half black ; patagia yellow, 

 edged externally with black ; thorax black, mesothorax edged with yellow, meta- 

 thorax yellow ; first segment of abdomen horn-brown, rest black edged with 



bright yellow. AVings hyaline, basal three-fourths of costa and inner margin 



orange. 



Length of forewing : 14 mm. 



Hab. Corosita, Canra River, Vencznela, June 1904, 1 <? ; San Estebau, Vene- 

 zuela, June 1009 (S. M. Klages), 5 c?c? ; Sapncay, Paraguay, June 1902 (\V. 

 Foster), 1 ? ; Encorado, Department of Sta. Uruz de la Sierra, Bolivia (J. Steinbach), 

 1 S. Type c?, San Estebau. 



The Paraguayan ? and Bolivian 6 are much smaller than the other six 

 specimens; length of forewing, 10 mm. 



7. Sphecosoma rufipes sp. nov. 



(?. At first sight resembles a discoloured specimen of S. anjiutatum Moeschl., 

 but is quite distinct. Legs orange-rufous ; palpi white ; head black, a transverse 

 yellow line behind base of antennae ; antennae, basal two-thirds black-brown, 

 apical third orange-red ; tegnlae orange with transverse black line ; thorax orange 

 with black lines ; first segment of abdomen rufous brown, rest black-brown with 



orange-bufF edges. Wings broad and ronnded hyaline, with orange-brown 



margins. 



Length of forewing, 10 mm. ; breadth of forewing, 8 mm. 



Hub. La Vuelfa, Caura liiver, Venezuela, May 1904 (S. M. Klages), 1 S. 



8. Sphecosoma mathani sp. nov. 



c?. Legs orange, fore coxae lemon-yellow: antennae rufous brown; head and 

 palpi yellow ; tegulae orange with narrow black edges ; patagia yellow edged with 

 black ; thorax yellow with black central band ; abdomen orange with segmental 



slate-bine rings. Wings hyaline, costa of forewing and base of inner margin 



dark yellow, outer margin narrowly black, expanding considerably at termen from 

 vein 6 to costa above vein 8. 



Length of forewing ; 14 mm. 



Ilab. Tefi'e, Amazon, September 1907 (M. de Mathan), 26 SS. 



0. Isanthrene schausi sji. nov. 



? . Legs, head, and palpi orange ; antennae black ; thorax and abdomen deep 



rufous orange. Forewing hyaline, base of wing, costa, and basal half of inner 



margin orangi', apical half nl' inner margin black, fringe of outer margin black, 



