Insects Feeding
on this Plant:


Thuja occidentalis
(Northern White Cedar) [Cupressaceae]
(Observations are from Knight, Wagner, Marshall, Covell, Needham et al., Wheeler et al., Pepper, Cranshaw, ScaleNet)

Coleoptera (Beetles)
Curculionidae: Phyllobius intrusus (Arborvitae Weevil) [larvae feed on roots; this insect was introduced from E Asia] Crw2004

Heteroptera (True Bugs)
Miridae: Dichrooscytus elegans Kn1941, Dichrooscytus repletus Kn1941 WHM1983

Homoptera (Sucking Insects)
Aphididae: Cinara tujafilina (Arborvitae Aphid) Pp1965; Diaspididae:
Carulaspis juniperi (Juniper Scale) [causes foliage to turn yellow & fall off, found mostly on Juniperus spp.; this insect is widely distributed in NE & north-central USA] SN2014

Lepidoptera (Butterflies, Skippers, & Moths)
Argyresthiidae: Argyresthia aureoargentella [larvae are leaf-miners] Msh2006, Argyresthia thuiella [larvae are leaf-miners] Msh2006; Gelechiidae: Coleotechnites thujaella (Brown Cedar Leafminer) Ndm1928; Geometridae: Ematurga amitaria (Cranberry Spanworm) [found north of IL] Cv2005, Digrammia continuata (Curve-Lined Angle) Wg2005; Noctuidae: Feralia jocosa (Jocose Sallow) Cv2005; Yponomeutidae: Argyresthia thuiella (Arborvitae Leafminer) Ndm1928