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© John Pickering, 2004-2017

Larvae of the Dusky Birch Sawfly, Craesus latitarsus, feed gregariously together, consuming one leaf and then the next. They may keep their tails away from the leaf as a means of waste management. If their frass lands on their leaf, they are more likely to spread pathogens to each other.

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title Craesus latitarsus, Dusky Birch Sawfly, larvae
country United States
state/province North Carolina
county Wake
city/place/location Raleigh
street/site/trail Umstead State Park
position/trap Visitor Center
latitude 35.8807
longitude -78.7587
MAPdecimal latitude_longitude ••• 35.8807_-78.7587
host/prey Betula nigra, River Birch
date1 yyyymmdd 2013:07:24 21:10:33

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