86 INSECTA SAUXDERSIANA. 



DiOCTRIA TENUIS, Fcm. 



Nigra, thoracis laterihm pectoreque albo-fnlvis, abdotnine rufo aut nigro, 

 palpis riijis, antennis nigris, pedibus fulvis, alls limpidis fulvo sub- 

 variis. 



Body black, shining : head slightly metallic, adorned in front with a 

 tawny covering, which has a white lustre ; epistoma armed with a few long 

 white bristles : eyes iridescent ; fore part flat, composed of large facets : 

 sucker black, red towards the base ; palpi red, beset with long black 

 bristles: feelers black; first and second joints beset with black bristles: 

 breast and sides of the chest tawny, adorned with white lustre : abdomen 

 dark red, or black with a red base, slender, about thrice the length of the 

 chest, narrow and linear near the base, somewhat spindle-shaped from 

 thence to the tip ; fourth, fifth and sixth segments blackish, with a hoary 

 tinge : legs tawny, slender ; thighs sometimes with a pitchy tinge here and 

 there ; shanks and feet fringed with very short tawny hairs ; shanks beset 

 with tawny bristles ; feet beset with black bristles, darker and sometimes 

 ferruginous towards the tips; claws black: icings colourless, more or less 

 tinged with tawny, which is most apparent at the base, beneath the fore 

 border and along the veins ; wing-ribs tawny ; veins pitchy, tawny at the 

 base and along the fore border ; poisers yellow, their lips sometimes pitchy. 

 Length of the body 5j — 6 lines ; of the wings 10 — Hi lines. 



South America. 



DiocTRiA HoRSLEYi, Saundcrs^ 3ISS. 



Fern. Nigra, aurata, thorace vittis quinque aureis ornato, pectore argentco, 

 abdominis apice fascia aurea ornato, antennis nigris basi piceis, 

 pedibus nigris, femoribus tibiisque basi fulvis, tarsorum articulis 

 basi ferrugineis, alis subfuscis cellularum discis obscurioribus. 



Body black, shining: head adorned with a gold covering in front, 

 white and beset with a cross row of black bristles behind the eyes, clothed 

 with white hairs behind and beneath ; a few black hairs on each side of 

 the crown and on the region of the eyelets : eyes black ; fore part flat, 

 composed of large facets: sucker black, pitchy at the base; palpi black, 

 beset with long black bristles : feelers black; first and second joints pitchy, 

 clothed with black hairs : chest adorned with five golden stripes, the mid- 



