syrphid fly

syrphid fly (Toxomerous marginatus)

 

 

 

 

 

 

 

 

 

More photos…

Toxomerus marginatus


Taxonomy

Order:

Diptera (gnats, mosquitoes, true flies)

 

Suborder:

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

 

Infraorder:

Muscomorpha

 

Section:

Aschiza

 

Superfamily:

Syrphoidea

 

Family:

Syrphidae (hover flies)

 

Subfamily:

Syrphinae

 

Tribe:

Toxomerini


Status

Common to abundant

Habitat

 

Season

April to November

Size

 


Identification

This is a small syrphid fly. It is identified by the small, round, black spot near the tip of the abdomen.

The eyes of the male syrphid fly meet at the top of the head. The eyes of the female do not.

 
Similar
Species

 


Larval Food

Aphids, scales, thrips, and caterpilars of both butterflies and moths

 
Adult Food

Pollen, nectar, and honeydew.

 
Life Cycle

 

 
Behavior

Adults can often be seen hovering over plants, a favorite activity that gives this family one of it’s common names.


Range Range Map   Sources: 7.
 
Sightings

Holthe Prairie SNA

Pine Bend Bluffs SNA


Comments

The coloration of the syrphid fly is an example of Batesian mimicry, resembling the warning coloration of stinging bees and wasps.

Sryphid flies are considered beneficial because they prey on insects that attack ornamental plants and crops.


Images  
Female syrphid fly (Toxomerous marginatus)   syrphid fly (Toxomerous marginatus)   syrphid fly (Toxomerous marginatus)    

Synonyms

 

 
Common
Names

flower fly

hover fly

syrphid fly


 

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