840 



Pomona College Journai, op Entomology 



Dolichopus afflictus o. s. 

 Quite a iimnhcr of tliese witc collected. 



SYRPHIDAE 

 Paragus tibialus 

 Quite coiiiiiKiu at Laguna. 



Of the family Tiorborida' there were several species collected, all of the 

 orenws Limosina. The.se species were undetermined, ^Melander havinj^ most 

 of the material on the family. They were found with the ephydrids in large 

 numbers. 



AGROMYZIDAE 

 Leucopis bella 

 A small gray fly. The larva- are cylindrical, thicker posteriorly and 

 creep like geometrids. 



Leucopis nigricornis 



Agromyza puella Mg. 



Figure 266. Head and Wing of Dolichopus bakeri 



OSCINIDAE 



Chlorops assimilis common 



Another species of Chlorops was quite common. Aldrich only worked it 



out to the genus. It is a reddish yellow fly wnth eyes and top of abdomen 



black. They were found with a species of Meromyza, a small slender yellow 



fly with gray markings and dark spots on the abdomen. 



ANTHOMYIDAE 



There were four genera of this family collected. Anthomyia, Pegomyia, 

 Coenosia and Hydrottva. All of these flies were found along the beach about 

 the piles of kelp and sea weeds. 



SARCOPHAGIDAE 



Two species of Sarcojihaga were found in the decaying kelp. They 

 probably breed in the rotting piles of sea weed and moss thrown upon the 

 beach. 



