omnivorous leafroller

(Archips purpurana)

omnivorous leafroller
Photo by Alfredo Colon
  Hodges #

3658

 
 
Conservation Status
  IUCN Red List

not listed

     
  NatureServe

NNR - Unranked

SNR - Unranked

     
  Minnesota

not listed

     
           
 
Description
 
 

Omnivorous leafroller is a small archip leafroller moth. It occurs in northern United States and southern Canada east of the Great Plains. It is common in Minnesota. Adults are active in June and July. Larvae are generalist feeders, and will feed on the leaves of almost any available non-coniferous host. They have been recorded feeding on 18 families of deciduous trees, shrubs, and forbs.

Adults are 916 (14 mm) in length and have a wingspan of 1116 to 1116 (18 to 27 mm). Females are larger than males.

The forewings are light to dark brownish-tan or purplish-brown with brown or dark brown veins and lines. From the base to the wingtip, these is an antemedial (AM) line, two median lines, a postmedial (PM) line, and a subterminal (ST) line. The AM line forms a jagged W across both wings. There are also numerous short lines stretching between one or more veins. Some individuals have dark shading in the basal area, between the two median lines, and in the subterminal area. The leading (costal) margin is usually broadly rounded, sometimes angled, on the upper half, and concave on the lower half, giving the moth a distinctive bell-shaped appearance when perched. On the female the lower margin is deeply concave, on the male it is shallowly concave. There is no fold on the upper costal margin on either sex. The hindwing is white to pale tan and is tinted gray on the inner half.

The antennae are slender and thread-like.

The caterpillar is pale bluish-green and ¾ to 1316 (20 to 30 mm) long. The head and the hardened plate on the thorax (prothoracic shield) are yellowish-brown. There is a pair of small black spots on both sides of the shield. The legs on the thorax are pale and unmarked.

 
     
 

Size

 
 

Total Length: 916 (14 mm)

Wingspan: 1116 to 1116 (18 to 27 mm)

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

 

 
     
 
Biology
 
 

Season

 
 

One generation per year: June and July

 
     
 

Behavior

 
 

Adults rest with their wings held flat over their body. They are active at night and will come to light.

Larvae roll the edge of a leaf, secure it with a silken web, and feed inside the web.

 
     
 

Life Cycle

 
 

Third stage (instar) caterpillars overwinter on a host tree or in leaves on the ground. They resume eating, complete their development, and pupate the following spring. Adults emerge in June and July.

 
     
 

Larva Hosts

 
 

Leaves of a wide range on forbs, shrubs, and deciduous trees.

 
     
 

Adult Food

 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

21, 24, 29, 30, 72, 75, 82.

 
  12/18/2020      
         
 

Occurrence

 
 

Common in Minnesota

 
         
 
Taxonomy
 
 

Order

Lepidoptera (butterflies and moths)  
 

Suborder

Glossata  
 

Infraorder

Neolepidoptera  
  Parvorder Heteroneura  
  No Rank Ditrysia  
  No Rank Apoditrysia  
 

Superfamily

Tortricoidea (tortricid moths)  
 

Family

Tortricidae (leafroller moths)  
 

Subfamily

Tortricinae  
 

Tribe

Archipini (archips leafrollers)  
 

Genus

Archips  
       
 

Synonyms

 
 

Archips purpuranus

Cacoecia guritana

Loxotaenia purpurana

Tortrix gurgitana

Tortrix lintneriana

 
       
 

Common Names

 
 

omnivorous leafroller

 
       

 

 

 

 

 

 

Glossary

Antemedial (AM) line

A thin line separating the basal area and the median area of the forewing of Lepidoptera.

 

Costal margin

The leading edge of the forewing of insects.

 

Instar

The developmental stage of arthropods between each molt; in insects, the developmental stage of the larvae or nymph.

 

Postmedial (PM) line

A thin line separating the median area and the postmedial area of the forewing of Lepidoptera.

 

Prothoracic shield

The hardened plate on the dorsal surface of the first segment of the thorax.

 

 

 

 

 

       
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Alfredo Colon
       
  omnivorous leafroller    
       
MinnesotaSeasons.com Photos
   
       
       
       

 

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Alfredo Colon
August 2019

Location: Slinger, Wisconsin

omnivorous leafroller


 
         
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Created: 12/19/2020

Last Updated:

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