100 TNSECTA SAUNDERSIANA 



Genus DISCOCEPHALA, Macquart. 



DiSCOCEPHALA ALBOATRA, Plate 3, fig. 8. 



Mas et Fem. Fnsca, thoracis lateribus Jlavo vittatis, cajnte suhtus pectore 

 ventreque canis, antennis nigris, pedihus fulvis, tihiis apice pedibus- 

 que poslicis piceis, alls nicjro-fuscis apice limpidis. 



Body dark brown : head adorned with a tawny covering, hoary and 

 clothed with short whitish hairs beneath : eyes black ; fore part nearly flat, 

 its facets very large : sucker black, tawny at the tip ; palpi black, clothed 

 with a few long black hairs : feelers black : chest with a pale yellow stripe 

 along each side : breast adorned with a whitish covering : abdomen hoary 

 beneath, shining at the tip, a little narrower than the chest and nearly 

 twice its length : legs tawny, thinly clothed with pale hairs ; shanks and 

 feet covered beneath with tawny down ; tips of the shanks pitchy ; claws 

 black ; hind legs pitchy, shanks towards the tips and feet black : wings 

 blackish-brown, colourless for near half the length from the tips ; wing-ribs 

 and veins black ; poisers tawny, with yellow knobs. Length of the body 

 2^ lines ; of the wings 5 lines. 



Brazil. 



CABASA, n. g. 



Discocephala: affinis : antennis articulus 2us lo multo brevior; 3us 

 linearis, subarcuatus, lo et 2o multo longior. 



Allied to Discocephala : second joint of the feelers much shorter than 

 the first ; third linear, slightly curved, much longer than the first and se- 

 cond joints. 



Cabasa rufithorax, Plate 3, fig. 5. 



Fem. Atra, thorace riifo, abdomine nigro-jmrpureo, antennis jjedibusque 

 nigris, alis nigro-fuscis. 



Body black, shining, thinly clothed with black hairs and bristles : face 

 flat, beset with six black bristles on the epistoma : eyes black ; fore part 

 flat, composed of large facets ; sucker black, clothed at the tip with very 

 short tawny hairs ; palpi black, clothed with black hairs : feelers black ; 



