Other Common Names
Rusty Pine Cone Moth (adult)
Webbing Coneworm (larva)
Synonyms and other taxonomic changes
Dioryctria disclusa Heinrich, 1953
Identification
The Heinrich (1956) revised description of
Dioryctria disclusa is available in PDF or online in the print references.
(1)
-
Adult: forewing yellowish-orange inside AM line, darker orange beyond AM line; AM and PM lines white, jagged; median line incomplete, faint; terminal line a series of white spots; basal and median areas may have diffuse white patches; fringe white or pale yellow; hindwing pale gray with white fringe
Larva: brown with thin black band across each abdominal segment; head dark brown
Range
New Brunswick to Florida, west to Texas, north to Manitoba
Habitat
pine forests and seed orchards
Season
Adults are most often reported from April to September.
(2)Food
larvae feed on developing cones of various species of pine
Remarks
a common pest of pine seed orchards
See Also
the only orange Dioryctria species in the east
in the west,
D. auranticella is nearly identical.
Print References
Heinrich, C. 1953. Farrier & Tauber Iowa State College Journal of Science. 27: 495.
Heinrich, C. 1956. American Moths of the Subfamily Phycitinae. United States National Museum Bulletin 207:
152.
(1)Internet References
live adult image (Larry Barber, USDA Forest Service, forestryimages.org)
pinned adult image by John Glaser, plus foodplant and distribution (Larry Line, Maryland)
pinned adult image (James Adams, Dalton State College, Georgia)
live larva image on Loblolly Pine, and common name reference [Webbing Coneworm; larva] (Larry Barber, USDA Forest Service, forestryimages.org)