jagged ambush bugs

(Phymata spp.)

Overview

Phymata is a genus of ambush bugs known as jagged ambush bugs. There are 109 described species of jagged ambush bugs worldwide, 17 species in North America north of Mexico, and just 2 species in Minnesota. A much needed revision of this genus would probably result in many fewer species. Jagged ambush bugs are found on flowers in open and semi-open areas. The feed on small insects and other arthropods, including bumble bees, wasps, and flies, sometimes capturing prey much larger than themselves.

 
jagged ambush bug (Phymata sp.)
Photo by Alfredo Colon
 
Description

Most adults are 5 16 to ½ (8 to 12 mm) in length. They are well camouflaged with dark markings on a greenish-yellow or brownish-yellow ground color. The antennae have four segments and are slightly thickened at the end. The protruding mouthparts (beak) is short, has three segments, and is optimized for sucking. The exoskeletal plate between the wing bases (scutellum) is triangular and much shorter than the plate covering the thorax (pronotum). The abdomen is diamond-shaped, widest toward the rear, and has a flattened, greatly enlarged margin. The hardened forewings (elytra) are held flat when at rest and cover only the middle of the abdomen. leaving the sides exposed. The third segment (femur) of the front legs is swollen with muscles that allow it to seize and hold prey.

Distribution

Distribution Map

 

Sources

24, 27, 29, 30, 82, 83.

7/26/2024    
Taxonomy

Order

Hemiptera (true bugs, hoppers, aphids, and allies)

Suborder

Heteroptera (true bugs)

Infraorder

Cimicomorpha

Superfamily

Reduvioidea

Family

Reduviidae (assassin bugs)

Subfamily

Phymatinae (ambush bugs)

Tribe

Phymatini

   

Subordinate Taxa

jagged ambush bug (Phymata americana)

jagged ambush bug (Phymata erosa)

jagged ambush bug (Phymata fasciata)

Pennsylvania ambush bug (Phymata pennsylvanica)

   

Synonyms

Syrtis

   

Common Names

jagged ambush bugs

 

 

 

 

 

 

 

Glossary

Beak

On plants: A comparatively short and stout, narrow or prolonged tip on a thickened organ, as on some fruits and seeds. On insects: The protruding, tubular mouthpart of a sucking insect.

 

Femur

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

 

Pronotum

The exoskeletal plate on the upper side of the first segment of the thorax of an insect.

 

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.

 

 

 

 

 

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Mike Poeppe

jagged ambush bug (Phymata sp.)  

 

Joyce Kunath

jagged ambush bug (Phymata sp.)    

Alfredo Colon

jagged ambush bug (Phymata sp.)   jagged ambush bug (Phymata sp.)
     
jagged ambush bug (Phymata sp.)    

Seirra Quinn

jagged ambush bug (Phymata sp.)   jagged ambush bug (Phymata sp.)
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Other Videos

Jagged Ambush Bug (Reduviidae: Phymata) Feeding on Bumble Bee
Carl Barrentine

About

Aug 20, 2010

Ambush Bugs are amazing predators! This patient female Phymata has caught and subdued a Tricolored Bumble Bee, a prey item that is clearly several times larger than itself. Photographed at the Kellys Slough NWR, North Dakota (19 August 2010). Go here to learn more about this unique insect: https://aggie-horticulture.tamu.edu/Galveston/beneficials/beneficial-10_jagged_ambush_bug_(Phymata_sp.).htm

AMBUSH BUG Phymata, unmoved by sweet nothings
Rob Curtis

About

Sep 29, 2019

Phymata AMBUSH BUG mating pair, unmoved by sweet nothings murmured. Montrose Point, Chicago, 9/7/2019.

Jagged Ambush Bug (Reduviidae: Phymata) Male and Female
Carl Barrentine

About

Aug 1, 2010

Photographed at Kelly Slough NWR, North Dakota (31 July 2010).

 

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Visitor Sightings
 

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Mike Poeppe
7/25/2024

Location: Houston, MN

jagged ambush bug (Phymata sp.)

Joyce Kunath
September 2023

Location: Woodstock, IL

jagged ambush bug (Phymata sp.)

Alfredo Colon
8/18/2022

Location: Albany, NY

jagged ambush bug (Phymata sp.)
Alfredo Colon
8/15/2022

Location: Albany, NY

jagged ambush bug (Phymata sp.)
Seirra Quinn
7/5/2022

Location: Eden Valley, Meeker County

jagged ambush bug (Phymata sp.)
Alfredo Colon
8/2/2019

Location: Woodbury, Minnesota

jagged ambush bug (Phymata sp.)
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Created: 10/23/2020

Last Updated:

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