hoverfly

(Epistrophe spp.)

               
Overview

Epistrophe is a genus of medium-sized hoverflies. There are almost 75 Epistrophe species worldwide, at least 5 species in Minnesota. They occur throughout Europe and North America. They are found in forest edges and openings. Adults feed on flower nectar and pollen. They are species generalists, visiting a variety of flowers. Larvae of European species prey on aphids, and though not known, it is likely that North American species do as well. It is suspected that there is only one generation per year, and that larvae enter a period of diapause.

hoverfly (Epistrophe sp.)

  Photo by Alfredo Colon
   
   
Identification

The face is yellow. The antennae are short, less than three times as long as broad. The plate between the wing bases (scutellum) is yellow. The abdomen is black with yellow markings. The sides are not parallel and the edges are rolled under. The first segment may have a yellow band or two disconnected spots. The second, third, and fourth segments each have a yellow band. The lower front plate of the middle thoracic segment (katepisternum) has an upper and a lower patch of hairs. On Epistrophe hoverflies, these are broadly separated in front and narrowly joined in the rear.

 
Distribution Distribution Map  

Sources: 24, 27, 29, 30, 82.

 
Comments

 

 
Taxonomy

Order:

Diptera (gnats, mosquitoes, true flies)

 

Suborder:

Brachycera (circular-seamed flies, mouches muscoïdes, muscoid flies, short-horned flies)

 

Infraorder:

Muscomorpha

  no rank:

Eremoneura

  no rank:

Cyclorrhapha (circular-seamed flies)

 

Section:

Aschiza

 

Superfamily:

Syrphoidea

 

Family:

Syrphidae (hover flies)

 

Subfamily:

Syrphinae

 

Tribe:

Syrphini

 

Genus:

Epistrophe

 
Subordinate Taxa

black-horned smoothtail (Epistrophe grossulariae)

black-margined smoothtail (Epistrophe metcalfi)

emarginate smoothtail (Epistrophe xanthostoma)

hairy-winged smoothtail (Epistrophe terminalis)

hoverfly (Epistrophe albipunctatus)

hoverfly (Epistrophe cinctellus)

hoverfly (Epistrophe eligans)

hoverfly (Epistrophe felax)

hoverfly (Epistrophe fisherii)

hoverfly (Epistrophe genualis)

hoverfly (Epistrophe mentalis)

hoverfly (Epistrophe ochrostoma)

slender smoothtail (Epistrophe emarginata)

straight-banded smoothtail (Epistrophe nitidicollis)

 
Synonyms

 

 
Common
Names

 

 

 

 

 

 

 

 

 

 

 

       
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Alfredo Colon
       
  hoverfly (Epistrophe sp.)   hoverfly (Epistrophe sp.)
       
  hoverfly (Epistrophe sp.)    
       
       
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Alfredo Colon
8/26/2019

Location: Woodbury, Minnesota

hoverfly (Epistrophe sp.)


Alfredo Colon
8/21/2019

Location: Woodbury, Minnesota

hoverfly (Epistrophe sp.)


     
     
 
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Created: 10/25/2020

Last Updated:

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