Two large dark-green to black tubercles arise on the second segment of the thorax. Throughout the early instars, the larvae have large black heads, and pale yellow-green bodies, with faint green longitudinal stripes. The larvae are referred to as greenstriped mapleworms. The eggs typically measure around 1.4 mm in diameter. Its eggs are ovular and thin, with a smooth yellow shell. Rosy maple moth is the smallest silk moth in North America. Rosy maple moth infests maple trees, as well as oak trees – particularly turkey oak. In the United States, the insect’s range extends across New England, south along the Atlantic Coast to Dade County, Florida, and west from eastern Texas to Minnesota. Its range encompasses New Brunswick, Nova Scotia, Ontario, Prince Edward Island, and Quebec. The insect is common across the southern regions of Canada. Rosy maple moth generally infests deciduous forests, but can also be found in suburban and urban landscapes. Successive defoliations over several years can cause host trees to become weakened, rendering them more susceptible to other environmental stressors. As such, the nymphs are considered an aesthetic nuisance. When populations are abundant, host trees can be partially or completely defoliated. ![]() ![]() During its nymph stage, rosy maple moth is a voracious feeder. It is notable for its wooly appearance, and variable coloration. The moth is indigineous to North America. ![]() Rosy maple moth ( Dryocampa rubicunda) is a silk moth in the family Saturniidae.
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