BACCHA. 



33 



1. Baccha conjuncta. 



Surphus conjunctus, Wiedem. Aussereur. zweifl. Ins. ii. p. 116 \ 

 Baccha conjuncta, Willist. Trans. Am. Ent. Soc. xv. p. 267 \ 



Hab. Soutii America \ Brazil 2 .— Mexico, Atoyac in Vera Cruz (H. II. Smith). 



A single female specimen, agreeing well with one from Brazil. 



2. Baccha phseoptera. 



Bacha phceoptera, Schiner, Reise der Novara, Diptera, p. 342 

 Baccha phceoptera, Willist. Trans. Am. Ent. Soc. xv. p. 267 \ 



Hab. Mexico, Venta de Zopilote 2800 feet, Xucumanatlan 7000 feet, and Amula 

 6000 feet, all in Guerrero, Atoyac in Vera Cruz, Teapa in Tabasco (H. H. Smith) ; 

 Guatemala, San Geronimo (Chamyion). — South America *, Brazil 2 . 



Twenty-five specimens, agreeing closely with others from BraziL A single male 

 example from Guatemala differs markeclly from the rest in the shape of the abdomen, 

 which is shorter and more spatulate, the second segment being only a little longer than 

 the width of the third behind. 



3. Baccha livida. 



Bacha livida, Schiner, Reise der Novara, Diptera, p. 343 \ 

 Baccha livida, Willist. Trans. Am. Ent. Soc. xv. p. 268 2 . 



Hab. Mexico, Venta de Zopilote in Guerrero 2800 feet, Atoyac in Vera Cruz (//. //. 

 Smith), Temaxin North Yucatan (Gaumer). — South America \ Brazil 2 . 



Eight specimens, agreeing well with others from Brazil. 



4. Baccha clavata. 



Syrphus clavatus, Fabr. Ent. Syst. iv. p. 298 \ 



Baccha clavata, Fabr. Syst. Antl. p. 200 2 ; Wiedem. Aussereur. zweifl. Ins. ii. p. 94 3 ; Willist. 



Trans. Am. Ent. Soc. xv. p. 270 \ 

 Bacha clavata, Schiner, Reise der Novara, Diptera^ p. 341 \ 



Baccha babista, Walk. List Diptera_, iii. p. 549 6 ; Willist. Synopsis N.-Arn. Syrphidse^ p. 117, 

 t. 4. f. 9\ 



Baccha facialis, Thomson, Eugen. liesa, Ins. p. 504 8 . 

 Spazigaster bacchoides, Bigot, Ann. Soc. Ent. Fr. 1883, p. 326 \ 



Ilab. Nohth Amekica 9 , Georgia 6 7 , Florida 7 , Arizona 7 , California 7 — Mexico (H. II . 

 Smith). — South America 35 , Galapagos Is. 8 , Brazil 4 ; West Indies 1 2 . 



A widespread species that seems to occur everywhere throughout North and South 

 America and theadjoining islands. There are about twenty specimens in the collection, 

 from different regions of Mexico (II. H. Smith). 



biol. centr.-amee., Dipt, Vol. III., December 1891. 



