754 LIST OF DIPTERA. 



Asilus grossus, Fabr. Syst. And. 498, 113. Wied. Auss. Zweifl. i. 

 498, 113. 



America. 



307. Asilus? maurcs. 



Subferrugineus ; antenna ferruginece ; thorax vittis tribus dorsali- 

 bus pectusque punctis lateralibus nigris ; abdominis segmenta 

 fusco marginata. 



Asilus maurus, Linn. Fabr. Ent. Syst. iv. 376, 2 ; Syst. And. 

 153, 2. Wied. Auss. Zweifl. i. 499, 1 14. 



North Africa. 



Genus 8. POLYPHONIUS. 



Antennarum arista nuda, crassa; articulus lus 2o multo bre- 

 vior. Femora intermedia incrassata; tibiae intermedia? apice cal- 

 caratee. 



Polyphonius, Loew, Linn. Ent. iii. 402, 403. 



1. Polyphonius l^vioatus. 



Ater ; capite, thoracis vittis et maculis abdominisque cingulis 

 ochraceo pollinosis ; alee subfuscescentes. 



Polyphonius lsavigatus, Loeiv, Linn. Ent. iii. 407, 1. 



Rhodes. 



Genus 9. ATRACTIA. 



Corpus won depressum nee ciliatum. Facies prominens. An- 

 tennarum articulus 3us latus compressus fusiformis ; arista non 

 ciliata. Alarum areola mediastinalis clausa ; areolae submarginales 

 duae. 



Atractia, Macq. Dipt. Exot. i. 2, 151. 

 Asilus, p., Wied. 



1. Atractia psilogaster. 



Niger ; mystax niger ; aniennce basi rufescentes ; thorax albo 

 pilosus ; scuteUum luteum ; abdomen glabrum ; pedes anteriores 

 niveo micantes ; tibia rubidce ; alee subobscurce. 



Asilus psilogaster, Wied. Auss. Zweifl. i. 456, 49. 

 Atractia psilogaster, Macq. Dipt. Exot. i. 2, 152, 1. 



Brazil. 



