Tsuga canadensis (Insect Feeders)


____________ Home Insects Feeding on this Plant: ____________	Tsuga canadensis (Eastern Hemlock) [Pinaceae] (Observations are from Knight, Covell, Wheeler et al., Watson, Cranshaw, ScaleNet) Coleoptera (Beetles) Buprestidae: Phaenops fulvoguttata (Hemlock Borer) [larvae bore into wood, forming tunnels along the surface of sapwood; syn. Melanophila fulvoguttata] Crw2004; Curculionidae: Otiorhynchus sulcatus (Black Vine Weevil) [adults feed on leaves, larvae feed on roots; polyphagous] Crw2004 Heteroptera (True Bugs) Miridae: Phytocoris americanus WHM1983, Plagiognathus tsugae Kn1941 WHM1983 Wat1928 Homoptera (Sucking Insects) Adelgidae: Adelges tsugae (Hemlock Woolly Adelgid) [found on twigs at the bases of needles; this insect is found east & SE of Illinois] Crw2004; Diaspididae: Abgrallaspis ithacae (Ithaca Hemlock Scale) [found on needles, preferring Tsuga spp. as hosts; this insect occurs in NE & north-central USA; syn. Hemiberlesia ithacae] SN2014, Acutaspis morrisonorum (Round Conifer Scale) [found in E USA & SE Canada] SN2014, Aspidiotus cryptomeriae (Cryptomeria Scale) [found on leaves; this insect was introduced from E Asia into NE USA as far west as Indiana] SN2014, Chionaspis pinifoliae (Pine Needle Scale) [found on needles; this insect is widely distributed throughout the USA] SN2014, Diaspidiotus coniferarum (Conifer Scale) [found on smaller branches; this insect is widely scattered in the USA, occurring in Indiana, Kansas, & Virginia] SN2014, Dynaspidiotus tsugae (Short-needle Conifer Scale) [this insect occurs in NE USA, it was introduced from E Asia] SN2014, Fiorinia externa (Elongate Hemlock Scale) [found on needles or new cones, preferring Tsuga spp. as hosts; this insect occurs in NE USA, it was introduced from E Asia] Crw2004 SN2014 Lepidoptera (Butterflies, Skippers, & Moths) Geometridae: Chloropteryx tepperaria (Angle-winged Emerald) Cv2005, Macaria fissinotata (Hemlock Angle) [syn. Semiothisa fissinotata, found east of IL] Cv2005 Trombidiformes (Mites) Tetranychidae: Oligonychus ununguis (Spruce Spider Mite) [feeds on leaves] Crw2004
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