Syrphidae (Hover Flies) of Orange County, California
Note: Eyes usually touching in the center in males (they are holoptic), but separated in females
On-line key to the genera of Nearctic Syrphidae
Allograpta exotica
Allograpta obliqua
Ceriana tridens
Hover Fly, Chalcosyrphus nemorum
Chrysotoxum sp.
Flower Fly,
Copestylum apiciferum
Yellow-spotted Bromeliad Fly,
Copestylum avidum
Hairy-horned Bromeliad Fly, Copestylum caudatum
Flower Fly,
Copestylum isabellina
Flower Fly,
Copestylum marginatum
Mexican Cactus Fly,
Copestylum mexicana
Flower Fly,
Copestylum sp.
Flower Fly,
Copestylum sp.
Copestylum sp.
Rat-tailed Maggot Fly,
Eristalis stipator
Rat-tailed Maggot Fly,
Eristalis tenax
Rat-tailed maggot fly,
Eristalis sp.
Eristalinus aeneus
Eristalinus taeniops
Eumerus sp.
Eupeodes fumipennis
Eupeodes volucris
Fazia (Allograpta) micrura
Helophilus fasciatus
Helophilus intentus
Lapposyrphus lapponicus
Lejops polygrammus
Melangyna sp.
Melanostoma mellinum
Myolepta cornellia
Nausigaster unimaculata
Ocyptamus lemur
Orthonevra flukei
Drone fly (Rat-tailed maggot fly), Palpada alhambra
Rat-tailed Maggot Fly,
Palpada mexicana
Rat-tailed Maggot Fly, Palpada sp.
Paragus haemorrhous
Platycheirus sp.
Four-spotted Aphid Fly,
Pseudodoros clavatus
Pseudoscaeva diversifasciata
Scaeva pyrastri
Sphaerophoria contigua
Sphaerophoria sulphuripes
Sphaerophoria sp.
Spilomyia interrupta
Syritta flaviventris
Syritta pipiens
Syrphus opinator
Syrphus sp.
Toxomerus marginatus
Toxomerus occidentalis
Tribe Xylotini
©
Peter J. Bryant
and Ron Hemberger.
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Diptera of Orange County, California
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Arthropods of Orange County, California
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Natural History of Orange County, California