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Large Maple Spanworm

Prochoerodes lineola

Description:

The wingspan is 35-50 mm. Adults have a wing colour which varies from yellowish to light brown or even dark brown, with or without blackish shading.

Habitat:

Eastern two-thirds of North America: Nova Scotia to Florida, west to Texas, north to Alberta; the only Prochoerodes species in the east/ Mixedwood and deciduous forests and woodlands; adults are nocturnal and come to light.

Notes:

They are on wing from April to October in the south and from July to September in the north. The larvae feed on the leaves of a wide range of plants, including apple, birch, blueberry, cherry, currant, geranium, grass, maple, oak, poplar, soybean, sweet fern, walnut and willow. Found this beauty on our RV one night, while camping in the Northern Bruce Peninsula.

1 Species ID Suggestions

Large Maple Spanworm
Prochoerodes lineola Prochoerodes lineola


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7 Comments

KarenSaxton
KarenSaxton 11 years ago

except for the dark wavy line on the hind wings... I've got several pictures of tetracis sp from around my place. Love them - wish I could get a closer id for certain

Dan Doucette
Dan Doucette 11 years ago

You're right, I'm convinced!

lana.decle
lana.decle 11 years ago

Thanks for your comments! I'll keep the ID as such until I am told otherwise, as always, open to suggestions. I looked up your suggestion and did find it to be quite similar. Some pictures I found the black markings are quite pronounced! This website shows a couple : http://mothphotographersgroup.msstate.ed...

Dan Doucette
Dan Doucette 11 years ago

Great spotting! I see many images online similar to my suggestion but the black markings aren't as pronounced, so I'm not 100% sure on my suggestion but it's very close.

lana.decle
lana.decle 11 years ago

Thanks guys, I also thought it was a part of the geometridae group but had a hard time identifying the exact one. I was thinking maybe a juniper geometer or a curved tooth geometer.

KarenSaxton
KarenSaxton 11 years ago

It's a geometrid.... good place to start looking. http://www.butterfliesandmoths.org
You can search by locale, although that depends greatly on whether others have submitted sightings. You can also search moths and see the breakdown by family groups

KarenL
KarenL 11 years ago

It's a geometer moth. Looks quite close to Tetracis cervinaria http://bugguide.net/node/view/41963

lana.decle
Spotted by
lana.decle

Canada

Spotted on Aug 24, 2011
Submitted on Oct 10, 2011

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Large Maple Spanworm Large Maple Spanworm moth Large Maple Spanworm  (prochoerodes lineola)

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