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GëNUS Trcntepuhlia Bigot. 

 Trentepohlia (Trentepohlia) alluaudi nov. sp. 



Close lo T. e.i'oinata ; head hlack, grey pruinose; mesolhorax reddisli 

 brown; legs yellow, the lips of the femora aiul libiae dark brown; hind 

 femora wilh about five short spiaes at base, bind tibiae with about tbree 

 long lirislles before the a|)ex: w ing-palteni very pale, the seam at the cord 

 narrow and not including the radial seclor; cell /Î2 lai'gely pale; abdomen 

 dark brown. 



Mah. — Leugth about 6 mm.; wing, 6.2 mm. 



Femak. — Leugth about 6.5 mm.: Avlng, 6 mm. 



AUied lo T. exornata Bergroth but mucli paler, especiaiiy the wing- 

 paltern. • 



Mouthparts and labial palpi yellowish: maxlllary paipi dark brown. 

 Antennae brown. Head black, sparsely grey pi'uinose; vertex narrowed 

 between the eyes. 



Mesonotuni reddlsh brown Avithout distinct darker markings. Pleura 

 shiny reddlsh. Haltères pale. Legs A\ith the coxae and trochanters dull 

 yellow; femora yellow, the tips broadly dark brown; tibiae pale brownish 

 yellow, the tips dark brown; metatarsi pale, remainder of the feet brown: 

 hind femora with a séries of about five short, stont, black spines in a 

 single row near the base; hind tibiae with usually three long bristles just 

 before the dark brown apex. Wings subhyaline, the costal région more 

 yellowish; wing-pattern very pale, paler than in any olher species of this 

 group [exornata, speiseri, himeraUs and others); a small, isolated brown 

 spot near the tip of Se \ ; the brown seam along the cord is very naiTOW 

 and begins at the fork of Rs; vein Cu similarly seamed AA'ith broAA^n; wing- 

 apex darkened in the outer lialf of cell J\>, and as narroAv seams along 

 veins R2, R3 and /ii + j: cell R2 very largely pale; cell Rô pale Avith the 

 exception of the extrême base and tip. Venation : pétiole of cell Rô some- 

 Avhat longer than in T. exornata. 



Abdomen dark broAvn; valves of the ovipositor more chestaut. 



Habitat. — Madagascar. 



Holotype, d, Ivondro, July 1900 (Gh. Alluaud). 



Allotopotype, 9. 



Type in the collection of the Paris Muséum. 



