eastern tent caterpillar moth

(Malacosoma americanum)

eastern tent caterpillar
  Hodges #

7701

 
 
Conservation Status
  IUCN Red List

not listed

     
  NatureServe

NR - Unranked

     
  Minnesota

not listed

     
           
 
Description
 
 

 

 
     
 

Size

 
 

Wingspan: to 1¾

Total Length: to 15 16

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Anywhere the host species are found

 
     
 
Biology
 
 

Season

 
 

One generation: Late June to early July

 
     
 

Behavior

 
 

 

 
     
 

Life Cycle

 
 

 

 
     
 

Larva Hosts

 
 

In Minnesota, black cherry is this caterpillar’s favorite host. It also attacks chokecherry, American plum, paradise apple, prairie crabapple, and hawthorn. When its favorite trees are defoliated it may move to other, less desireable trees.

 
     
 

Adult Food

 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

7, 21, 24, 29, 30, 75.

 
  10/15/2019      
         
 

Occurrence

 
 

 

 
         
 
Taxonomy
 
 

Order

Lepidoptera (butterflies and moths)  
 

Suborder

Glossata  
 

Infraorder

Neolepidoptera  
  Parvorder Heteroneura  
  No Rank Ditrysia  
  No Rank Obtectomera  
 

Superfamily

Bombycoidea (hawk, sphinx, silk, emperor, and allied moths)  
  No Rank Bombyciformes  
 

Family

Lasiocampidae (lappet moths)  
 

Subfamily

Lasiocampinae (tent caterpillars)  
 

Tribe

Lasiocampini  
 

Genus

Malacosoma  
       
 

Synonyms

 
 

Malacosoma americana (an often repeated error in gender)

 
       
 

Common Names

 
 

eastern tent caterpillar (larva)

eastern tent caterpillar moth

 
       

 

 

 

 

 

 

 

 

 

 

 

 

 
 
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Bill Reynolds

 
    eastern tent caterpillar      
           
 
MinnesotaSeasons.com Photos
 
 

Caterpillar

 
    eastern tent caterpillar   eastern tent caterpillar  
           
    eastern tent caterpillar      
           
 

Nest

 
    eastern tent caterpillar   eastern tent caterpillar  
           
    eastern tent caterpillar   eastern tent caterpillar  
           

 

Camera

     
 
Slideshows
 
Eastern Tent Moth
DianesDigitals
  Eastern Tent Moth  
 
About

Copyright DianesDigitals

 
Eastern tent caterpillar (Malacosoma americanum)
Andree Reno Sanborn
  Eastern tent caterpillar (Malacosoma americanum)  
 
About

en.wikipedia.org/wiki/Eastern_tent_caterpillar

 
Malacosoma americanum (Eastern Tent Caterpillar Moth)
Allen Chartier
  Malacosoma americanum (Eastern Tent Caterpillar Moth)  
     

 

slideshow

       
 
Visitor Videos
 
       
 

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Other Videos
 
  Macro of Hundreds of Caterpillars ~ Tenting & eating!
JCVdude
 
   
 
About

Uploaded on May 14, 2010

Macro of Hundreds of Caterpillars ~ Tents & eating! On May 13, 2010 we came across many bushes with a 'bloom' of Western Tent Caterpillars. Opportunity for Sony Macro HD Video - I love to film nature. It's something that is readily doable by anyone with a good consumer handycam, the Sony especially captures great clarity and detail with it's lens.

Tent caterpillars are readily recognized because they are social, colorful, diurnal and build conspicuous silk tents in the branches of host trees. Some species, such as the eastern tent caterpillar, Malacosoma americanum, build a single large tent which is typically occupied through the whole of the larval stage while others build a series of small tents that are sequentially abandoned. The forest tent caterpillar moth, Malacosoma disstrium, is exceptional in that the larvae build no tent at all, aggregating instead on silken mats that they spin on the leaves or bark of trees. Tents facilitate aggregation and serve as focal sites of thermal regulatory behavior.

Tent caterpillars hatch from their eggs in the early spring at the time the leaves of their host trees are just unfolding. The caterpillars establish their tent soon after they enclose. The tent is constructed at a site that intercepts the early morning sun. The position of the tent is critical because the caterpillars must bask in the sun to elevate their temperatures above the cool ambient temperatures that occur in the early spring. Studies have shown that when the body temperature of a caterpillar is less than about 15 °C, digestion cannot occur. The tent consists of discrete layers of silk separated by gaps and the temperature in these compartments varies markedly. Caterpillars can adjust their body temperatures by moving from one compartment to another. On cool mornings they typically rest in a tight aggregate just under a sunlit surface of the tent. It is not uncommon to find that the temperature of the aggregate is as much as 30 °C (54 °F) warmer than the surrounding air temperature on cold but sunny spring mornings. Later on in the spring, temperatures may become excessive at mid day and the caterpillars may retreat to the shaded outside surface of the tent to cool down.

 
  Nancy Today: where tent caterpillars come from ASMR
NancyToday
 
   
 
About

Uploaded on May 2, 2008

finding capsules where the eggs are laid is easy. Just look down the branch the coccoon nest is built on.

 
  Eastern Tent Caterpillar Moth (Lasiocampidae: Malacosoma americanum) Lateral View
Carl Barrentine
 
   
 
About

Uploaded on Jul 13, 2011

Photographed at Larimore, North Dakota (13 July 2011).

 
  Eastern tent caterpillars
RedFree100
 
   
 
About

Published on Apr 22, 2012

Eastern tent caterpillars (Malacosoma americanum) may be the only insects recognized by their homes rather than their appearance. These sociable caterpillars live together in silk nests, which they build in the crotches of cherry and apple trees. Eastern tent caterpillars may be confused with gypsy moths, or even fall webworm. (From About.com)

 
  Dr. Rana Sarfraz: Tent caterpillar invasion hits BC gardens.
Rana Sarfraz
 
   
 
About

Published on Sep 20, 2012

Published on Sep 20, 201

 
       

 

Camcorder

 
 
Visitor Sightings
 
           
 

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  Bill Reynolds
5/31/2017

Location: Penninton Co. MN

eastern tent caterpillar  
  Jinmn
5/21/2016

Location: Backus (Cass County)

2 large tents on pink Crabapple tree, caterpillars only

   
  Paul Stewart
5/18/2016

Location: Rush City, MN.

Infested our crab apple and plum trees within a day or two. Have never seen them before until today.

   
           
 
MinnesotaSeasons.com Sightings
 
   

 

 

Binoculars


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