Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Registration
is open for the
2024 BugGuide gathering in Idaho
July 24-27
Moth submissions
from
National Moth Week 2023
Photos of
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and
people
from the
2022 BugGuide gathering in New Mexico
, July 20-24
Photos of
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and
people
from the
Spring 2021 gathering in Louisiana
, April 28-May 2
Photos of
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people
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2019 gathering in Louisiana
, July 25-27
Photos of
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and
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2018 gathering in Virginia
, July 27-29
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Taxonomy
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Home
» Guide »
Arthropods (Arthropoda)
»
Hexapods (Hexapoda)
»
Insects (Insecta)
»
Flies (Diptera)
»
Orthorrhapha
»
Asiloidea
»
Robber Flies (Asilidae)
»
Asilinae
»
Efferia
»
Nerax group (Efferia Nerax group)
Nerax group
Phylum
Arthropoda
- Arthropods
Subphylum
Hexapoda
- Hexapods
Class
Insecta
- Insects
Order
Diptera
- Flies
No Taxon
Orthorrhapha
Superfamily
Asiloidea
Family
Asilidae
- Robber Flies
Subfamily
Asilinae
Genus
Efferia
No Taxon
Nerax group
Species
aestuans
- Efferia aestuans
Species
apicalis
- Efferia apicalis
Species
prairiensis
- Efferia prairiensis
Species
slossonae
- Efferia slossonae
Species
tabescens
- Efferia tabescens
normal view