wood soldier fly

(Xylomya terminalis)

Conservation Status
wood soldier fly (Xylomya terminalis)
Photo by Alfredo Colon
  IUCN Red List

not listed

     
  NatureServe

not listed

     
  Minnesota

not listed

     
           
           
           
 
Description
 
 

Xylomya terminalis is a medium-sized wood soldier fly. It occurs in the northeast and north-central United States from Maine to Minnesota. It is uncommon throughout its range, including in Minnesota. Its appearance mimics an ichneumon wasp.

The body is slender, or less in length, and covered with short, fine hair.

The feeler-like mouthparts (palpi) are yellow. The antennae have three segments. The third antenna segment is segmented (annulated), but this is difficult to see except in strong light. It is much less than twice as long as the second segment.

The thorax is yellow with black markings. The markings do not form two yellow longitudinal stripes. The small plate between the wing bases (scutellum) is yellow. The third and fourth abdominal segments are yellowish. The tip of the abdomen is black.

The wings are clear. The anal cell is longer than the second basal cell and is closed near the margin. The fourth posterior cell (M3) is closed.

On the hind leg the tip of the third leg segment (femur) is deep black, not reddish-brown or yellow. On all legs the last part of the leg (tarsus), corresponding to the foot, has three pads.

 
     
 

Size

 
 

Total Length: or less

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Woodlands

 
     
 
Biology
 
 

Season

 
 

 

 
     
 

Behavior

 
 

Larvae are found under bark or in decaying wood.

Adults are sluggish and inactive, and may not escape when approached.

 
     
 

Life Cycle

 
 

 

 
     
 

Larva Food

 
 

 

 
     
 

Adult Food

 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

24, 27, 29, 30.

 
  12/19/2018      
         
 

Occurrence

 
 

Uncommon

 
         
 
Taxonomy
 
 

Order

Diptera (gnats, mosquitoes, true flies)  
 

Suborder

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

Infraorder

Stratiomyomorpha  
 

Family

Xylomyidae (wood soldier flies)  
 

Genus

Xylomya  
       
 

Synonyms

 
 

Macroceromys terminalis

 
       
 

Common Names

 
 

This species has no common name. The common name of the family Xylomyidae is wood soldier flies, and is applied here for convenience.

 
       

 

 

 

 

 

Glossary

Femur

On insects and arachnids, the third, largest, most robust segment of the leg, coming immediately before the tibia. On humans, the thigh bone.

 

Palp

Short for pedipalp. A segmented, finger-like process of an arthropod; one is attached to each maxilla and two are attached to the labium. They function as sense organs in spiders and insects, and as weapons in scorpions. Plural: palpi.

 

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.

 

 

 

 

 

 
 
Visitor Photos
 
           
 

Share your photo of this insect.

 
  This button not working for you?
Simply email us at info@MinnesotaSeasons.com.
Attach one or more photos and, if you like, a caption.
 
 

Alfredo Colon

 
    wood soldier fly (Xylomya terminalis)   wood soldier fly (Xylomya terminalis)  
           
    wood soldier fly (Xylomya terminalis)   wood soldier fly (Xylomya terminalis)  
           
    wood soldier fly (Xylomya terminalis)      
           
 
MinnesotaSeasons.com Photos
 
 

 

 
           
           

 

Camera

     
 
Slideshows
 
 
     
     
     

 

slideshow

       
 
Visitor Videos
 
       
 

Share your video of this insect.

 
  This button not working for you?
Simply email us at info@MinnesotaSeasons.com.
Attach a video, a YouTube link, or a cloud storage link.
 
 

 

 
     
     
       
       
       
 
Other Videos
 
     
     
     
       

 

Camcorder

 
 
Visitor Sightings
 
           
 

Report a sighting of this insect.

 
  This button not working for you?
Simply email us at info@MinnesotaSeasons.com.
Be sure to include a location.
 
  Alfredo Colon
7/21/2018

Location: Woodbury, Minnesota

wood soldier fly (Xylomya terminalis)  
  Alfredo Colon
6/17/2018

Location: Woodbury, Minnesota

wood soldier fly (Xylomya terminalis)  
           
 
MinnesotaSeasons.com Sightings
 
 

 

 

 

 

Binoculars


Created: 12/19/2018

Last Updated:

About Us | Privacy Policy | Contact Us | © 2021 MinnesotaSeasons.com. All rights reserved.