6 PKOCEEDINGS OF THE NATIONAL MUSEUM. vol. 64 



2. Genus ALLOMETOPON Kertesz. 



AHometopon Kertesz, Ann. Mas. Nat. Hung., vol. 4, p. 320 (1906). 



Three reclinate orbitals, no postverticals, cruciate bristles very 

 small, ocellars long; pro thoracic bristle minute, three postsutural 

 dorso centrals, three supra-alars, four scutellars, no preapicals; 

 arista thin; sections of fourth vein 1:3. 



Genotype. — A. fumipenne Kertesz. 



3. ALLOMETOPON FUMIPENNE Kertesz. 



AHometopon fumipenne Kertesz, Ann. Mus. Nat. Hung., vol. 4, p. 320 (1906). 



Head and thorax mostly yellow, abdomen mostly blackish, third 

 antennal joint brown above, notum with brown anterior margin and 

 abbreviated vitta; legs yellow; wings smoky, the costal margin 

 darker; 3 mm. 



Eahitat. — New Guinea. Type in Hungarian National Museum. 



4. ALLOMETOPON FLAVUM Lamb. 



AHometopon Jlavum Lamb, Trans. Linn. See, vol. 16, p. 311 (1914). 

 Described from Seychelles. The description is not available to us. 

 3. Genus APIOCHAETA Czerny. 



Apiochaeta Czerny, Wien. ent. Ztg., vol. 22, p. 98 (1903). 



Three fronto-orbitals, the first converging, postverticals present, 

 no cruciates, ocellars long; pro thoracic short, a presutural dorsocentral 

 present, basal scutellars smaller than the distal pair; arista apical; 

 crossveins distant, sections of fourth vein 1 : 3, posterior crossvein 

 oblique, forming an acute angle with fifth vein. 



Genotype. — A. hicolor Schiner, the species figured by Hendel in 

 Czerny's paper. 



KEY TO THE SPECIES OF APIOCHAETA. 



Abdomen with exception of base shining black; wings subhyaline; thorax bi\dttate. 



(Chile.) bicolor Schiner. 



Abdomen black only at tip; costal margin and discal spots blackish; thorax quadrivit- 



tate. (Chile.) limbipennis Rondani, 



5. APIOCHAETA BICOLOR Schiner. 



neterochroa bicolor Schiner, Novara Dipt., p. 237 (1868). 



Apiochaeta bicolor Czerny, Wien. ent. Ztg., vol. 22, p. 98, pi. 2, figs 6, 7 (1903). 



Front yellow, face and cheeks whitish; arista pubescent; thorax 

 reddish, with two posterior black vittae; pleurae with black stripe 

 below notopleural suture; abdomen black except at base; legs yellow; 

 hal teres white; wings with pale brownish tinge; 4.5 mm. 



Eahitat. — Chile. 



