Die Arten der Platystominen. ^^* 



the thorax. Legs tawny; feniora mostly black; tarsi white, with black 

 tips. Wings limpid, with a luteous tiiige along the costa, with numerous 

 transverse brown dots, and with an oblique middle band which is ab- 

 breviated hindward, and is formed of two separate lines of bhick dots; 

 veins black, luteous towards the base; discal transverse vein straight, 

 upright, parted by hardly one-fourth its length from the border, and 

 by very niuch more than its length from the praebrachial transverse 

 vein; halteres luteous. Length of the body 3 lines; of the wings 6 lines." 

 Gehört zu Punkt 10 der Tabelle. 



23. Pteyof/enia scutellarls Walker. 



Lamprogaster scutellaris Walker, Proc. Linn. Soc. Lond., Vol. 3, p. 112, 124 

 (1859). 



Platystoma devocatum Walker, ibidem, Vol. 8, p. 121, 51 (1865). 



cf, Aru-Inseln. — Neu-Guinea. 



,,Subcinereo-nigra; oculis albido submarginalis; thorace vittis tribus 

 cinereis, vittis duabus lateralibus, scutelli subquadrati margine, tibiis 

 intermediis tarsisque albidis; alis nigricantibus, fasciis duabus integris 

 duabusque macularibus incompletis albidis. — Black, with a slight 

 cinereous tinge; eyes partly bordered with whitish; 3. Joint of the anten- 

 nae elongate-conical; arista plumose, the bristles few, thorax with three 

 indistinct cinerous stripes, and with 2 whitish lateral stripes; scutellum 

 nearly quadrate, with a whitish border; middle tibiae, knees and tarsi 

 whitish, the latter with black tips; wings blackish, whitish at the base, 

 and with 4 whitish bands, 1. and 3. bands entire, 2. and 4. macular, very 

 irregulär and incomplete; veins black; discal transverse vein straight, 

 parted by about one-fourth of its length from the border, and by hardly 

 more than its length from the praebrachial transverse. Length of the 

 body 2 lines; of the wings 4 lines." 



Zu Punkt 10 der Tabelle. 



24. Ptei'Oifenia vittfßnis Walker. 

 Pterogenia vittifinis Walker, Proc. Linn. Soc. Lond., Vol. V, p. 292 (1861). 



(^ 9? Batchina. 



„Nigra, lata, crassa, capite albido, facie maxima, arista subplumosa, 

 scutelli lateribus luteis, femoribus crassis, tarsis flavescenti-albis, alis 

 albis costa basali lutea fasciis duabus guttisque nigricantibus. Mas. 

 Abdomine ovato. Foem. Abdomine lanceolato vittis tribus luteis. — 

 Male and female. — Black, broad, thick. Head whitish, black beneath 

 and with a black band on the front; face very large. Antennae black, 

 not more than half the length of the face; arista minutely plumose, 

 more than twice the length of the 3. Joint. Scutellum rather small, not 

 ascending, luteous along each side. Femora rather thick; tarsi yellowish 

 white. Wings white, luteos along the costa towards the base, with 



