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septentrionalis group


sawfly larva on American chestnut - Nematus castaneae sawfly larva on American chestnut - Nematus castaneae black/yellow caterpillar on Chestnut in Georgia - Nematus castaneae Sawfly larvae found on American chestnut suckers September 26, 2014 - Nematus castaneae Yellow Caterpillar with Black Stripes - Nematus castaneae Sawfly Larva - Nematus castaneae Sawfly Larva - Nematus castaneae

Unidentified September Sawfly Larvae - Nematus curvarius Unidentified September Sawfly Larvae - Nematus curvarius

Sawfly larva - Nematus latitarsus 's' shaped caterpillars, one swinging - Nematus latitarsus Dusky birch sawfly larvae - Nematus latitarsus Green Worms devouring Birch tree - Nematus latitarsus Bell bottom sawfly - Nematus latitarsus sawfly? - Nematus latitarsus Sawfly larvae on river birch - Nematus latitarsus Possible Sawfly Larva? - Nematus latitarsus