FAM. PHOKlD.i; j, 



5(1. A. setacea. Aldrich, Caiiad. lintoin. Vol. 24, p. 144 (1892) 'U. S. A.\. 



5i. .-(. sodalis, liiues, Ann. Mus. Nat. Hunf,'. Vol. 3, p. 55o (1905) (New South Wales). 



52. A. sordida, Zetterstedt, Ins. Lapp. p. 796 {\X^o) (Europe). 



53. A. taysata. ]Srues, Ann. Mus. Nat. Hung. Vol. 3, p. 3q7 (ioo5) fPei-u). 



54. A. libialis, Hrues, idem, p. 5^5 (i9o5) (India). 



55. A. umbrimargo. Becker, Al.h. Zool.-hot. Ges. Wien, Vol. i, p. 65 (1901) (Europe). 



56. A. xatithosoiia, Strobl, Phoriden Oesterr. p. 2o3 (1893) (Europe). 

 5-. A. zoiiatn. Zetterstedt, Ins. I.app. p. 796 (1840I (Europe). 



6. Genus PLASTOPHORA, Brues 



Plastophora. liiues. Anii. Mus. .\'at. Hung. Vol. J. p. 55i 11905). 



Characters. - liody stout and lobust. Head large. the tront quadrate. Four anterior frontal 

 bristles proclinate, the trontal chaetotaxy as in Apiiiochaeta. Antenns oval. with a dorsal arista. Ocellar 

 tubercleand median frontal groove present. Proboscis enlarged, horny: palpi bristly only at the tips. 

 Thora.x large, prominent. Abdomen of female verj- large and stout. the ovipositor greatlv lengthoned 

 and heavily chitinized. Legs rather stout, especially the postenor pair, the tibije without e.xternal macro- 

 chaeta, delicately setulose. The spurs on the four hind legs well developed. Wings of moderate size. 

 oval. with a long costal vein and four light veins: mediastinal vein not developed. Thiid vein simple, 

 not furcate at tip. 



Type specles : P. Beiriie, Brues. 



Geographical distrlbution of species. — The type species is from Xew Guinea, whiie the 

 second vvhicli is placed lieie with .some doubt, is from Flurope. 



1. P. Btirue. Brues, Ann. Mus. Nat. Hung. Vol. 3, p. 552 (1905) (New Guinea]. 



2. IP.formicarum. Verrall, Journ. Linn. Soc. Lond. Zool. Vol. i3, p. 258 (1877) (England). 



9. Genus GYMNOPHORA, Macquart 



Gymnophora. Macquart. Hist. Nat. Dipt. \'ol. _•, p. i>3i {i6i5). 



Characters. - Modeiately stout species. Head rather small. Fiont bare e.xcept for microscopic 

 iiairs and foui very weak bnstles on the vertex. Antennae oval, with dorsal arista. Palpi small, but 

 little projecting. with a few haii-like bristles at the tips. Thorax bare except for a sparse covering of 

 tinehairandafewfine brisdes around the scutellum. Abdomen long and tapering in both se.xes. the 

 ovipositor of the female soft and fleshx'. Legs bare. no tibial spurs. Wings large. the costa not bristly, 

 thiid \ein torked at the tip. Fourth vein curved upward and ending much farther before the wing tip 

 ihan usual. 



A monotypical genus easily recognize.l b\ tlie bare body, more especially the front. 



Geographlcal distribution of species. - fhe single species occurs commonlv in both 

 Kurope and .Xorth .America. 



I. G. arcuata. Meigen. Syst. Beschr. \'ol. b. p. 222(i83o) (Europe, North Americal. - Plate I, Fig. 6. 

 Phora debilis, Haliday. Ent. Mag. Vol. i, p. 179. 

 PhorafttUsi,ws,i. Mei.ufen. Syst. Beschr. Vol. 6, p. 2i5 (iS.^o). 



