WALKEE O-S DIPTEEA OF AEU ISLANDS. 109 



G-en. Helomtza, Fallen, 



113. Helomyza picipes, n. s. Fozm. Fulva, capite, antennis femo- 

 ribusque nigris, abdominis segmentis nigro marginatis, tibiis tarsisque 

 piceis, alis cjnereis apud costam luridis vena discali transversa fusco 

 subnebulosa, halteribus testaceis. Var. Thoracis vitta lata abdo- 

 mineque piceis. 



Female. Tawny. Head and antennae black, arista plumose; thorax 

 with two slender, darker, almost obsolete stripes ; hind borders of the 

 abdominal segments black ; legs piceous, femora black, coxae tawny ; 

 wings grey, with a lurid tinge towards the costa, discal transverse 

 vein straight, slightly clouded with brown, parted by about half its 

 length from the border, and by more than twice its length from the 

 prsebrachial transverse ; halteres testaceous. Var. Thorax with a 

 broad piceous stripe ; abdomen piceous. Length of the body 3 lines ; 

 of the wings 6 lines. 



114. Helomyza atripennis, n. s. Mas. Fulva, scutello nigro, pec- 

 tore piceo, abdomine ferrugineo, alis nigris postice cinereis. 



Male. Tawny. Antennae pale tawny, arista plumose ; thorax with two 

 slender, darker, almost obsolete stripes; scutellum black; pectus 

 piceous; abdomen ferruginous; wings black, cinereous along the 

 hind border for more than half its length from the base, veins as in 

 the preceding species. Length of the body 2|- lines ; of the wings 

 5 lines. 



115. Helomyza restituta, n. s. Fosm. Testacea, abdomine punctis 

 sex nigris, alis cinereis apice nigricantibus venis transversis nigricante 

 nebulosis. 



Female. Testaceous. Third, fourth, and fifth segments of the abdomen 

 with two black points on each fore border ; wings grey, with a slight 

 lurid tinge towards the costa, blackish at the tips, transverse veins 

 clouded with blackish, veins with the usual structure. Length of the 

 body 2^ lines ; of the wings 5 lines. 



Gten. Detomyza, Fallen. 



116. Dryomyza semicyanea, n. s. Fcem. Ferruginea, vertice piceo, 

 antennis fulvis, thorace cyanescente, abdomine cyaneo basi ferrugineo, 

 pedibus testaceis, alis subcinereis apud costam luridis. 



Female. Ferruginous. Vertex piceous, face slightly covered with 

 whitish tomentum ; antennae tawny, arista very minutely pubescent ; 

 thorax tinged with blue ; abdomen blue, tawny at the base ; legs 

 testaceous ; wings greyish, lurid along the costa, veins tawny, prae- 

 brachial vein forming a very slight angle where it joins the discal 

 transverse, with a slight curve from thence to its tip, praebrachial 

 transverse stout, slightly clouded, discal transverse straight, upright, 

 parted by much less than half its length from the border and by a 



