yellow-dusted cream moth

(Cabera erythemaria)

               
Hodges #

6677

yellow-dusted cream moth

 

Conservation Status

IUCN Red List

not listed

NatureServe

NNR - Unranked

SNR - Unranked

Minnesota

not listed

Occurrence

Common

Flight/Season

Two generations per year: May through August

          Photo by Alfredo Colon
Habitat

Deciduous and mixed woodlands, open streamside thickets

Size

Wingspan: 1116 to 1316 (27 to 30 mm)

 
 
Identification

Yellow-dusted cream moth is a medium-sized typical geometer moth. It occurs across the United States and southern Canada. It is common in Minnesota. It is found in deciduous and mixed woodlands and in open streamside thickets. Larvae feed mostly on willow but also on birch, blueberry, poplar.

Adults have slender bodies and relatively large wings, with a wingspan of 1116 to 1316 (27 to 30 mm).

The antennae on the female are slender and thread-like. On the male the antennae are branched, feather-like, on one side (pectinate).

The wings are cream-colored. On the forewings there are faint, yellowish-brown, antemedial (AM), median, and postmedial (PM) lines. The lines are broad, slightly jagged, and mostly parallel. The median and PM lines continue on the hindwings. All of the wings are dusted with numerous yellowish-brown scales.

The caterpillar, called a spanworm, is somewhat flattened and about 1 (2.5 cm) long. The ground color may be green, bluish-green, or yellowish-green to brown. On the first through seventh abdominal segments (A1 through A7) there is a small black spot in the middle of the leading margin (middorsal). There is often pink on both sides of each spot. There is a bold, pale, subdorsal stripe and a narrow, wavy, pale, subspiracular stripe. There are 3 pairs of legs on the thorax, one on each thoracic segment, and just 2 pairs of leg-like structures (prolegs) on the abdomen, one pair on A6 and one pair on A10. The prolegs are pinkish. The head is squarish and is projected forward. It has a reddish, dark, cheek line and reddish antennae. Mature caterpillars are active from June onward.

 
Similar
Species

Larva of yellow-dusted cream moth cannot be reliably distinguished from larvae of the closely related pink-striped willow spanworm except by raising them to adults. Both occur in Minnesota.

 
Larval Food

Willow, birch, blueberry, and sometimes poplar

 
Adult Food

 

 
Life Cycle

 

 
Behavior

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

 
Distribution Distribution Map  

Sources: 21, 24, 29, 30, 71, 72, 75, 82.

 
Comments

 

 
Taxonomy

Order:

Lepidoptera (butterflies and moths)

 

Suborder:

Glossata

 

Infraorder:

Neolepidoptera

 

Parvorder:

Heteroneura

 

No Rank:

Ditrysia

 

No Rank:

Obtectomera

 

Superfamily:

Geometroidea (geometrid and swallowtail moths)

 

Family:

Geometridae (geometer moths)

 

Subfamily:

Ennominae (typical geometers)

 

Tribe:

Caberini

 

Genus:

Cabera

 
Synonyms

 

 
Common
Names

yellow-dusted cream moth

 

 

 

 

 

 

Glossary

Proleg

A fleshy structure on the abdomen of some insect larvae that functions as a leg, but lacks the five segments of a true insect leg.

 

 

 

 

 

       
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Alfredo Colon
       
  yellow-dusted cream moth    
       
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  Yellow-dusted Cream - Hodges#6677 (Cabera erythemaria)
Andree Reno Sanborn
 
  Yellow-dusted Cream - Hodges#6677 (Cabera erythemaria)  
     

 

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Alfredo Colon
8/9/2019

Location: Woodbury, MN

yellow-dusted cream moth


 
         
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Created: 12/11/2020

Last Updated:

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