MYEMELEONITES. 453 



with white veins ; veins black : fore-wings with the subcostal and 

 radial regions dark brown, the former slightly decreasing in breadth 

 from near the base to the stigma ; middle of the wing parallel from 

 thence to the stigma, its veins clouded with darker brown except 

 near the base where the areolets are partly limpid about their fore 

 borders : hind-wings shorter and a little narrower than the fore- 

 wings ; subcostal region decreasing much in breadth from near the 

 base to the middle, whence it very slightly widens to the stigma. 

 Length of the body 16 ? lines ; of the wings 40 lines. 



a. Honduras. From Mr. Dyson's collection. 



Group 



81. ASCALAPHUS CHLOKOPS. 



Testaceo-fuscuSj pilosus ; thorace maculis sen vittis obscurioribus ; 

 oculis nitidis pallide aureo-viridibus ; alls vitreis, venis fus- 

 cis ; pedibus pallidis, genubus, tibiarum apice tarsisque piceis. 



Ascalaphus chlorops, Blanch. Orbigm/, Voy. Amer. Mtrid. 218, 754, 

 pi. 28, f. 8. 



Santa Cruz, Bolivia. 



Genus 3. STILBOPTERYX. 



Caput transversum, pronum, cum oculis prothorace latius. An- 

 tennae capite duplo longiores, multi-articulatae, capitatae. Os sub 

 pectore inclinatum. Labrum transversum, latenbus rotundatis, 

 medio submarginatum. Mandibulae validae, incurvae, apice acutae, 

 intus dentibus duobus distantibus armatae. Maxillarum lacinia apice 

 vix acuta, intus pilosa, basi unguiculo elevato instructa ; galea fere 

 linearis, lacinia paullo longior, apice trifida. Palpi maxillares galea 

 paullo longiores, 4-articulati ; articuli longitudine subasquales. 

 Labium subquadratum, valde pilosum. Palpi labiales ligula paullo 

 longiores, 3-articulati, articulis cylindricis, longitudine subaequali- 

 bus. Ligula rotundata, apice emarginata, dente mediano obtuso. 

 Prothorax brevis, capite metathoraceque angustior. Abdomen elon- 

 gatum, lineare. Alae lineares, haud abdomen sedentis superinjicientes. 

 Tarsi 5-articulati. 



Stilbopteryx, Newman, Ent. Mag. v. 399. 

 Azesia, Lefebvre, Guer. Mag. Zool. 1842. 



