

CATALOGUE 



OF 



LEPIDOPTERA HETEROCERA. 



FOURTH SERIES. 



Tribe 8. DELTOIDITES. 



Corpus saepissime gracile, semper laeve. Proboscis gracilis, 

 mediocris, plerumque bene determinata. Palpi compressi, ascen- 

 dentes, nuDquam incumbentes, caput semper superantes, nonnun- 

 quam super thoracem reversi, nonnunquam porrecti; articulus 2us 

 longus; 3us bene determinatus, 2o saepe flexus. Antennae longae, 

 graciles. Thorax brevis, rotundatus, vix convexus, antice nunquam 

 elevatus, tegulis nunquam ascendentibus. Abdomen longum, non 

 robustum, vix pilosum. Pedes longi, non villosi ; tibiae anticae 

 femoribus valde breviores, s*pe tumidae et fasciculatas ; intermedia? 

 bicalcaratae ; posticae quadricalcaratae ; calcaria longa, valida. Alae 

 amplae, tenues, raro dentatse, nunquam dum quietem agunt elevatae 

 aut deflexae. Mas, — Antennae pubescentes, setulosae, aut pectinatae. 



Deltoides, Latr.; Guen. Delt. et Pyral. 1. 



Body generally slender, always smooth. Proboscis slender, 

 most often distinct and of moderate length, occasionally very short. 

 Palpi compressed, ascending, never incumbent, always extending 

 beyond the head, sometimes reverted and applied to the thorax ; 

 second joint long; third distinct, often forming a flexure with the 

 second. Antennae long, slender, pubescent, setulose or pectinated 

 in the male. Thorax short, rounded, hardly convex, with the hairs 



