common eupithecia

(Eupithecia miserulata)

common eupithecia
Photo by Alfredo Colon
  Hodges #

7474

 
 
Conservation Status
  IUCN Red List

not listed

     
  NatureServe

NNR - Unranked

     
  Minnesota

not listed

     
           
 
Description
 
 

With more than 1,400 species worldwide, Eupithecia is by far the largest genus of moths in the world. There are more than 140 species found in North America north of Mexico. At least 14 species are found in Minnesota. Eupithecia are small to very small moths with muted colors and indistinct markings that make them difficult to identify. Some are look-alikes and cannot be identified by simple visual examination. Many museum collections have specimens that have been unreliably identified.

Common eupithecia is a common, small to very small pug moth. It occurs in the United States east of the Great Plains and on the West Coast, in adjacent Canadian provinces, and in Mexico. It is one of the most common species, or at least one of the most commonly reported species, in the eastern United States. It is common in Minnesota.

Adults are small, with a wingspan of just ½ to ¾ (12 to 20 mm).

The face is flat, sloping, and light cream-colored. The sense organs attached to the mouth (palpi) are long, blade-like, and dark smoky brown. They extend forward far beyond the front of the face. On the male, the antennae have numerous bundles of long plume-like hairs (cilia) on a raised, peg-like base (fascicle). Each antenna segment has three pairs of fascicles and a single bristle at the base. The female antennae lack the fascicles but are evenly and finely ciliate and also have a bristle at the base.

The forewing is pale grayish-brown with dark markings. There is a large, conspicuous, black spot in the middle of the wing (discal spot), and a subterminal line consisting of a row of white spots. The innermost spot, near the inner (anal) angle of the wing, is larger and more prominent. The hindwing is similarly colored but with a smaller discal spot and a less prominent subterminal line.

The caterpillar is small, about long. The color is variable and often blends with the plant on which it feeds. The first six or seven abdominal segments have a broad, oblique, subdorsal line on each side that often joins with the line on the opposite side to form a downward-pointing arrow. There is often a weak narrow line in the middle (middorsal line) and a weak narrow line on each side (subdorsal lines). There is always a narrow white line below the breathing pores (spiracles) on each side (subspiracular lines). The surface of the body is rough due to seven to nine relatively deep creases on each abdominal segment. Mature caterpillars are present from May until the first frost in the fall.

 
     
 

Size

 
 

Wingspan: ½ to ¾ (12 to 20 mm)

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Woodlands, fields, gardens

 
     
 
Biology
 
 

Season

 
 

At least two generations per year in Minnesota: April to late October

 
     
 

Behavior

 
 

Adults are active at night and will come to lights. The wings are held flat when at rest.

 
     
 

Life Cycle

 
 

Pupa overwinter

 
     
 

Larva Hosts

 
 

Many woody and herbaceous plants, including grape, juniper, oak, viburnum, willow, dock, St. John’s wort, aster, black-eyed Susan, clover, fleabane, goldenrod, joe-pye weed, sunflower, and yarrow.

 
     
 

Adult Food

 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

21, 24, 29, 30, 75.

 
  10/11/2019      
         
 

Occurrence

 
 

Widespread and common

 
         
 
Taxonomy
 
 

Order

Lepidoptera (butterflies and moths)  
 

Suborder

Glossata  
 

Infraorder

Neolepidoptera  
  Parvorder Heteroneura  
  No Rank Ditrysia  
  No Rank Obtectomera  
 

Superfamily

Geometroidea (inchworm moths)  
 

Family

Geometridae (geometer moths)  
 

Subfamily

Larentiinae (carpets and pug moths)  
 

Tribe

Eupitheciini  
 

Genus

Eupithecia  
       
 

Synonyms

 
 

Eupithecia grossbeckiata

Eupithecia nebulosa

Eupithecia plumbaria

Tephroclystia nebulosa

Tephroclystia plumbaria

 
       
 

Common Names

 
 

common eupithecia

common eupithecia moth

common pug

 
       

 

 

 

 

 

 

Glossary

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.

 

Spiracle

A small opening on the surface of an insect through which the insect breathes.

 

 

 

 

 

 
 
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Alfredo Colon

 
    common eupithecia   common eupithecia  
           
    common eupithecia   common eupithecia  
           
 
MinnesotaSeasons.com Photos
 
 

 

 
           
           

 

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Slideshows
 
Common Eupithecia - Hodges#7474 (Eupithecia miserulata)
Andree Reno Sanborn
  Common Eupithecia - Hodges#7474 (Eupithecia miserulata)  
     

 

slideshow

       
 
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Other Videos
 
  Common Eupithecia Moth (Geometridae: Eupithecia miserulata) on Window Pane
Carl Barrentine
 
   
 
About

May 8, 2011

Photographed at Grand Forks, North Dakota (08 May 2011).

 
  Common Pug Moth Caterpillar (Geometridae: Eupithecia miserulata?)
Carl Barrentine
 
   
 
About

Sep 17, 2011

Photographed at the Turtle River State Park, North Dakota (17 September 2011).

 
  Eupithecia miserulata [Common Eupithecia] Feeding on Centaurea cyanus [Cornflower]
Zenthanol
 
   
 
About

Sep 2, 2014

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June 27, 1917, 2013

For a good long while, I wasn't sure about the nature of these caterpillars that I'd found both in my Cornflowers and (more recently) my Peppermint florets--I noticed they seemed to enjoy staying in the flowers themselves, but didn't do damage to the actual petals. I thought they must be pollen or nectar-feeders.

They kept themselves still as if to mimic a twig or stick, and at night they would not react to light, and barely react to physical stimuli (at least on the Peppermint florets).

The adults of this species are a group of moths (mainly Genus Eupithecia) known as "Pug Moths", which are actually pretty prevalent here in San Diego I think--drab colors, and 90° folded wings, somewhat nondescript they can hide amongst stucco and other man made features pretty easily.

 
  Common Eupthecia Moth (Geometridae: Eupithecia miserulata) Dorsal View
Carl Barrentine
 
   
 
About

Oct 13, 2011

Photographed at Grand Forks, North Dakota (09 October 2011). Thank you to Maury Heiman (@Bugguide.net) for confirming the identity of this specimen!

 
       

 

Camcorder

 
 
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  Alfredo Colon
8/6/2019

Location: Woodbury, MN

common eupithecia  
  Alfredo Colon
August 2019

Location: Woodbury, MN

common eupithecia  
  Alfredo Colon
Summer 2018

Location: Woodbury, MN

common eupithecia  
           
 
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Created: 10/10/2019

Last Updated:

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