heleomyzid fly

(Suillia quinquepunctata)

Conservation Status
heleomyzid fly (Suillia quinquepunctata)
Photo by Alfredo Colon
  IUCN Red List

not listed

     
  NatureServe

not listed

     
  Minnesota

not listed

     
           
           
           
 
Description
 
 

Suillia quinquepunctata is a medium-sized heleomyzid fly. The head, thorax, and abdomen are brown.

The thorax is light brown with darker brown stripes, short black hairs, and rows of long, black bristles. The plate between the thorax and abdomen (scutellum) has hairs over most of the upper (dorsal) surface. The abdomen is light brown with a narrow, bristly, dark brown band at the end of each segment.

The head is brown. The compound eyes are large and brown. The antennae have three segments. The third segment is short and rounded. There is a large black bristle (arista) on the upper (dorsal) side of each antenna. The arista projects upward, not forward.

The wings are clear and have prominent spines on the forward margin (costa) of the wing. The first vein after the costa (Sc1) is unbroken and extends to the costa near the wing tip (complete). There are five spots on each wing: a black spot at the end of each of the three longitudinal veins, and a black spot on each of the two cross-veins.

The legs are pale. The base of the middle and hind legs are close together. The last part of the leg (tarsus), corresponding to a foot, is black.

 
     
 

Size

 
 

Total Length: up to 5 16

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Shaded areas near dung, carrion, or other rotting matter, or fungi.

 
     
 
Biology
 
 

Season

 
 

Early spring to late fall

 
     
 

Behavior

 
 

 

 
     
 

Life Cycle

 
 

Eggs are laid in fungi and in bird nests, mammal burrows, and other areas with decaying material.

 
     
 

Larva Food

 
 

 

 
     
 

Adult Food

 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

24, 27, 29, 30.

 
  7/7/2018      
         
 

Occurrence

 
 

Fairly common

 
         
 
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 Schizophora (muscoid flies)  
  No Rank Acalyptratae  
 

Superfamily

Sphaeroceroidea  
 

Family

Heleomyzidae (heleomyzid flies)  
 

Subfamily

Heleomyzinae  
 

Tribe

Suilliini  
 

Genus

Suillia  
       
 

 

 
       
 

Synonyms

 
 

Helomyza latericia

Helomyza quinquepunctata

 
       
 

Common Names

 
 

This species has no common name. The common name of the family Heleomyzidae is heleomyzid flies, and is applied here for convenience.

 
       

 

 

 

 

 

Glossary

Costa

In plants: The central axis of a pinna, to which pinnules are attached. In insects: The leading edge of the forewing.

 

Scutellum

The exoskeletal plate covering the rearward (posterior) part of the middle segment of the thorax in some insects. In Coleoptera, Hemiptera, and Homoptera, the dorsal, often triangular plate behind the pronotum and between the bases of the front wings. In Diptera, the exoskeletal plate between the abdomen and the thorax.

 

Tarsus

The last two to five subdivisions of an insect’s leg, attached to the tibia; the foot. Plural: tarsi.

 

 

 

 

 

 
 
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Alfredo Colon

 
    heleomyzid fly (Suillia quinquepunctata)      
           
 
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  Alfredo Colon
6/7/2018

Location: Woodbury, MN

heleomyzid fly (Suillia quinquepunctata)  
           
 
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