Asiatic Garden Beetle (Maladera formosae) (North Yarmouth, ME; 8/14/2022)
Black Vine Weevil (Otiorhynchus sulcatus) (strawberry, raspberry and cranberry pest; rhododendrons are also a host)
Raspberry Weevil (Otiorhynchus singularis) (found feeding on a rhododendron in central Maine; 5/19/2021)
Raspberry Weevil (Otiorhynchus singularis) (found feeding on a rhododendron in central Maine; 5/19/2021)
Raspberry Weevil (also known as the Clay-colored Weevil) (Otiorhynchus singularis) (very similar to the Black Vine Weevil) (this one was found feeding on a rhododendron in central Maine; 5/16/2021)
Browntail Moth (late instar caterpillar stage)
Browntail Caterpillars on a crabapple tree in Waterville, Maine; 5/12/2021 (Photo courtesy of Jamie Graves)
Curve-toothed Geometer (Eutrapela clemataria) (Stetson, ME; 5/17/2021) (larvae feed on the leaves of ash, basswood, birch, elm, fir, maple, poplar, willow, and other trees)
Dogwood Sawfly Larvae on a dogwood (middle instar stage) (7/17/2020) (Photo courtesy of Susan; Monroe, ME) (compare with adjacent photos of the final two instar stages which are very different)
Final larval instar of the Dogwood Sawfly (Macremphytus testaceus) (August 9th, 2009; Medway, Maine) (Similar to a White Pine Sawfly larva)
Dogwood Sawfly larvae [Photo courtesy of Val Libby, Blue Hill (Maine) on 1 Aug. 2021]
Eastern Ash Bark Beetle (Hylesinus aculeatus) (July 21st, 2021; from firewood in Pittsfield, Maine) (with three phoretic mites hitching a ride on its back)
A nest of Eastern Tent caterpillars
A mature Eastern Tent Caterpillar (Central Maine: June 24th)
Closeup view of an Eastern Tent Caterpillar egg mass
Comparing the Eastern Tent Caterpillar (bottom) with a Forest Tent Caterpillar (above). Both were feeding on the leaves of a wild apple tree. The Eastern tent caterpillars make silken nests in the forks of their host trees whereas the forest tent caterpillars make no nests at all, in spite of having “tent” in their name (Etna, ME; 6/5/2015)
Introduced Pine Sawfly adult (Etna, ME; 4/15/2020)
Japanese Beetle Larva/Grub
Japanese Beetle (on a milkweed leaf)
Azalea Lace Bug adult beside a U.S. penny
Azalea Lace Bug adult (closer view)
Azalea Lace Bug nymph
Signs of Azalea Lace Bug damage to the underside of an azalea leaf
Closer view of the adjacent photo
Azalea leaf injury from Azalea Lace Bug
Lily Leaf Beetle
Lily Leaf Beetle eggs
Mealybugs (Family Pseudococcidae)
Metallic Wood-boring Beetle (Family: Buprestidae)
Example of the larval stage of a metallic wood-boring beetle (Flatheaded Hardwood Borer) (Photos courtesy of M. O. Metcalf)
A metallic wood-boring beetle (Flatheaded Hardwood Borer / Dicerca divaricata) (Photo courtesy of M. O. Metcalf)
Oriental Beetle (Anomala orientalis) on a petunia flower (Old Town, ME; 7/5/2025) (adults feed on most flowering plants but usually with only minimal damage; grub stage feeds on roots of primarily grasses)
