American carrion beetle

(Necrophila americana)

               
Conservation Status

IUCN Red List

not yet assessed

American carrion beetle

NatureServe

NNR - Unranked

Minnesota

not listed

Occurrence

Common

Flight/Season

Masrch to September

Habitat

Moist woods

Size

½ to ¾ long

 

 

 

 

   

Identification

The pronotum is yellow with a single squarish black spot near the center. The spot is usually well separated from the margin at the base of the pronotum. In the northern states and Canada the elytra have a yellow tip.

 
Similar
Species

Margined carrion beetle (Oiceoptoma noveboracense) is smaller. The pronotum is orange. The black spot on the pronotum is cross-shaped and touches the margin at the base of the pronotum.

Ridged carrion beetle (Oiceoptoma inaequale) pronotum is entirely black.


Larval Food

Animal carrion and fly maggots, and beetle larvae

 
Adult Food

Fly larvae and carrion

 
Life Cycle

The female lays eggs directly on or in a blown carcas of an animal rat sized or larger. Adults overwinter in the ground.

 
Behavior

 


Distribution Distribution Map  

Sources: 7, 27, 29.


Comments

Taxonomy
This beetle was formerly classified Silpha americana. This and all other North American silphid beetles, formerly in the genus Silpha, have been transferred to the subfamilies Nicrophorinae and Silphinae.


Taxonomy

Order:

Coleoptera (beetles)

 

Suborder:

Polyphaga (water, rove, scarab, longhorn, leaf and snout beetles)

 

Infraorder:

Staphyliniformia

 

Superfamily:

Staphylinoidea (rove, carrion and fungus beetles)

 

Family:

Sylphidae (carrion beetles)

 

Subfamily:

Silphinae

 
Synonyms

Silpha americana

 
Common
Names

American carrion beetle

crusader carrion beetle


 

 

 

 

 

 

Glossary

elytra

The hardened forewings on an insect used to protect the fragile hindwings, which are used for flying, in beetles and true bugs.

 

pronotum

The saddle-shaped, exoskeletal plate on the upper side of the first segment of the thorax of an insect.

 

 

 

 

 

       

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Adult

  American carrion beetle   American carrion beetle
       

Larva

  American carrion beetle    
       
       

 

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Slideshows

   
  American Carrion Beetle (Necrophila americana)
Andree Reno Sanborn
 
  American Carrion Beetle (Necrophila americana)  
     
  American Carrion Beetle (Necrophila americana)
Bill Keim
 
  American Carrion Beetle (Necrophila americana)  
     
  Silpha americana (American Carrion Beetle)
Allen Chartier
 
  Silpha americana (American Carrion Beetle)  

 

slideshow

     

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Other Videos

 
  Carrion Beetle (Silphidae: Necrophila americana) on Tree Trunk
Carl Barrentine
 
   
 
About

Published on Jun 13, 2012

Photographed at the Turtle River State Park, North Dakota (12 June 2012).

 
     
  Immature Necrophila Americana
pascalnet
 
   
 
About

Published on Jul 9, 2013

Silphidae
Necrophila Americana
Silpha americana
Victoriaville, Québec, Canada
July 6th 2013
Insect

 
     
  American carrion beetles' aggregation on tree, 6/3/11, MD
metapathogen
 
   
 
About

Published on Feb 24, 2013

American carrion beetles' aggregation on tree, 7/10/11, MD

Necrophila americana

DSCN4241.MOV

 
     
  American Carrion Beetle (Silphidae: Necrophila americana)
Carl Barrentine
 
   
 
About

Uploaded on Jul 20, 2010

Photographed at the Turtle River State Park, North Dakota (20 July 2010).

 
     
  American Carrion Beetle (Silphidae: Necrophila americana) on Burdock Blossom
Carl Barrentine
 
   
 
About

Uploaded on Jul 31, 2010

Photographed at Turtle River State Park, North Dakota (30 July 2010).

 
     

 

Camcorder

         

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