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Photo#331642
''Cocoon''

''Cocoon''
Coral Gables, Dade County, Florida, USA
September 4, 2009
Size: ~5mm wide and 2cm long
Item appears to be a cocoon .I first observed it in june and saw it off and on through to September 8.
Also saw several about the area under leaves and on walls.

Moved
Moved from Bagworm Moths.

Moved
Moved from ID Request.

looks to me like
a bagworm moth, Thyridopteryx ephemeraeformis

 
Bagworm Moth
Thank you for the ID.

Have some questions. You call it 'a bagworm moth' and gave it a specific scientific name.
Is it the moth or a larvae?
Is there more than one kind of bagworm?
When will it emerge?

Bill

 
Bagworms
Bagworms are the caterpillars of an entire family of moths, They get their name from the silk shelters they weave around themselves, adding bits of debris for camouflage.

Different species often make bags that look different from those of other species, and geographic location as well as the kind of plant they're feeding on are clues, as well.

Generally the caterpillar stays in its bag during its entire larval stage. It can stick its front end out and crawl with the bag still on it to move from place to place. The caterpillar pupates in the bag, with the male emerging and flying away, but the female often staying in the bag (they're usually- maybe always- flightless). The females releases a pheromone that attracts males, which mate with her. She then lays her eggs and dies.

It's hard to tell from the outside what stage this one is, or even if there's one in there- it could have anything from eggs to an adult female, or it could be empty.

 
Bagworms
Chuck, thanks for the time you took to educate me.

Should I just label my photo 'Bagworm' and move on... or is the use of the scientific name in order?

In any event, I can no longer watch the 'cocoon' as I live four states away from my son's bagworm.

Bill

 
Bagworm
Bagworm (Psychidae) is a good label for now. It could be Thyridopteryx ephemeraeformis, but there are other options. My book describes the "bags" of all the species in the US and Canada, and when I have more time I'll take a look and see if I can figure out something more specific to call yours, but there are many species in Florida so I'm not optimistic about getting it to species. Moving to family page for now.

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