DERIVATION OF THE FLORA AND FAUNA 305 



+ B. media Freem, — Mt, Mf. 



+ Merianina kusckeli Freem. — Mt, Mf. Another species in Brazil. 



+ Psiiosciara nitens Freem. — Mt. 



Sunuliidae (2g4). 



+ Gigantodax kusckeli Wygodz.— Mt, Mf. An essentially Chilean-Patagonian 

 genus with single species as far north as Mexico. 



Sphaeroceridae {84, 204). 



Archiborborus submaculatus Duda. S. Chile, Patag. — Mt. 



+ + Gyretria binodatipes Enderl. — Mt. The genus is perhaps identical with 

 Skottsbergia Enderl. and this is merged into Leptocera by RICHARDS who, 

 however, does not list the two Gyretria species described by Enderlein, but 

 not found in Dr. KuscilEL's material. 



+ G. crassicosta Enderl. — Mf. 



Leptocera brachystoma (Stenhammar) Richards. Cosmopol., also in Chile. — 

 Mt, Mf. The genus is widespread and well represented in S. America. 



+ Z. cultellipennis (Enderl. ut Skottsbergia) Richards. — Mt. 



L. darivini Richards. Chile, Argent. — Mt, Mf. 



L. divergeiis Duda. Peru, Boliv., Chile, Argent. — Mt, SC. 



+ Z. duplicata Richards. — Mt. 



+ Z. ellipsipemiis Richards. — Mt. 



L. flavipes (Meigen) Richards. Eur., N. Afr.— Mt. 



L. mediospinosa Duda. Cosmopol. — Mt. 



L. pectinifera (Villen.) Richards. Eur., Falkl. Is.— Mt. 



L. pulchripes Duda. Argent., Parag., Urug. — Mt. 



+ +Phthitia alexandri Richards. — Mt. The genus must be very u^diV Leptocera. 



+ Pk. selkirki (Enderl. ut Pterodrepana) Richards. — Mt. 



+ /%. venosa Enderl. — Mt. 



Syrphidae [96). 



Allograpta exotica (Wiedem.) (A. Skottsbergi Enderl.). Neotropical. An 

 American genus of at least 16 species, the majority in S. America. — Mt, SC, Mf. 



^■A. robinsoniana Enderl. — Mt, Mf. 



Melanostoma fenestratum (Macq.) Fluke. Chile. — Mt. An American genus. 



+ J/. Lundbladi (Enderl. ut Carposcalis) Fluke. — Mt. 



Eristalis tenax (L.). Cosmopol, also in Chile. — Mt, Mf. 



Sterphus aurifrons Shannon. Chile. — Mt. 



Tachinidae (70). 



Lrtcamyia chilensis Aldrich. Chile. — Mt, SC, Mf. A S. American genus. 

 + Pkanfasiosiphona kusckeli Cortes. — Mt. A Centr. American genus. 



Tendipedidae (288). 



Anatopynia vittigera Edw. S. Chile, Patag. — Mf. A world-wide genus. 



-^Clunio fuscipenitis Wirth. — Mf. A large, wide-ranging genus. 



+ Hydrobaenus fernandezensis Wirth. — Mt, Mf. The genus world-wide. 



20 — 557857 The Nat. Hist, of Juan Fernandez and Easter Isl. Vol. I 



