344 Capt. P. P. King's South American Diptera. 



34. Syrphus 8-maculatus, n. s. 



Fein. Xiger, sciitello ahdomimque fasciis 4 interruptis flai'is, pedibus fulvis 



basi nigris, alis hyaUnis. 

 Corp. long. 4^ lin. Alar. 8 lin. 



Sijrpho Ribesii similis : caput nigrum, nitidum, antic^ fuscuin : antennce et 

 oculi fusca : OS nigrum : thorax nigro-seneus, fulvo-pubescens ; scutellum 

 flavum : abdomen obscurum, nigrum, thorace latius, planum, maculis 

 supra utrinque 4 latis flavis, basi utrinque fulvo pubescens, subtus flavum : 

 pedes fulvi ; coxce, trochanteres et femora basi nigra ; tarsi supra pallid^ 

 fusci : ala; subhyalinae, iridescentes ; nervi et squamula? fusca, illi basi 

 pallidiores ; costa flavescens : halteres flavi. 

 Taken in Chili. 



*35. HeLOPHILUS CHILENSIS, n.s. 



Mas et fem. Fuscus, thorace fulvo vittato, abdomine atroflavo maculato, pedi- 

 bus rufis, alis suhln/alinis. 



Corp. long. 4f lin. Alar. 7f lin. 



Caput fuscum, flavo pubescens, antic^ et supra fulvum, hie quoque pilis nigris 

 hirtum : oculi seneo-rufi : antennce nigro-fuscse : os plerumquc concolor: 

 thorax nigro-fuscus, fulvo 4-vittatus, pilis flavis hirtus ; scutellum fulvum : 

 abdomen atrum, obscurum, pilis flavis et apice nigris hirtum, subtfis ful- 

 vum, maculis supr^ utrinque mari 3 flavis et apicem versus 1 sordid^ albo, 

 fem. 4 pallid^ flavis : yedes rafi, pilis flavis et griseis hirti ; raiYi" fuscse : 

 alee subhyalinae, iridescentes, ad costani obscuriores ; squamulce fuscee ; 

 nerri nigri, basi fusci ; halteres flavi. 

 Taken in Chili ; and Mr. Curtis has received it from Edward Bennett, Esq., 



who took it in Chiloe. 



36. Syrphus unicolor, w. s. 



Chali/beo-ater, pedibus rufis nigra variegatis, alis hyalinis. 

 Corp. long. 2 lin. Alar. A\ lin. 



Chalybeo-ater, nitens, parcfe pubescens : caput albido-chalybeum : oculi rufo- 

 fiisci : antennce fuscse : pedes rufi, pubescentes ; coxce, pro- et mesofemora 



