margined calligrapher

(Toxomerus marginatus)

               
Conservation Status

IUCN Red List

not yet assessed

margined calligrapher

NatureServe

NNR - Unranked

Minnesota

not listed

Occurrence

Common to abundant

Flight/Season

April to November

Habitat

 

Size

 


Identification

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

The eyes of the male margined calligrapher 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.


Distribution Distribution Map   Sources: 7.

Comments

The coloration of the margined calligrapher 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.


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

 

no rank:

Aschiza

 

Superfamily:

Syrphoidea

 

Family:

Syrphidae (hover flies)

 

Subfamily:

Syrphinae

 

Tribe:

Toxomerini

 
Synonyms

 

 
Common
Names

flower fly

hover fly

margined calligrapher


 

 

 

 

 

 

 

 

 

 

 

 

       

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Female

  margined calligrapher   margined calligrapher
       
       

 

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Slideshows

   
  syrphid fly (Toxomerus marginatus)
Bill Keim
 
  syrphid fly (Toxomerus marginatus)  

 

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