Paracroesia abievora

Author: (Issiki, 1961)

Species Overview:

Adult: 10-14 mm wingspan; forewing ground colour ochreous yellow; fasciate markings grey suffused with blue; black dots present in apical portion of the wing. Hindwing brownish grey.
Larva: average length 9 mm; head pale yellowish brown, postgenal area and area of stemmata dark; body light green; prothoracic shield and thoracic legs yellowish brown; anal shield and pinacula pale; anal fork developed.

Taxonomic Description:


Paracroesia abievora male
Paracroesia abievora adult
External characters: 11-15 mm wingspan. Labial palpus, head and thorax orange yellow; abdomen brownish. Forewing slightly expanding terminally; costa gently arced; apex pointed; termen strongly oblique. Ground colour ochreous yellow; markings grey suffused with blue, consisting of three oblique fasciae and greyish suffusion terminally. Some black dots present in apical portion of the wing. Cilia ochreous yellow. Hindwing brownish grey; cilia concolorous with ground colour (Razowski, 1984; Yasuda, 1975b).

male genitalia P. abievora
Genitalia: Tegumen delicate; socius drooping, short, rounded, provided with a thin process armed with long bristles; tuba analis broad, membranous except for median belt, covered by minute spines; vinculum fairly broad. Valva short, with well-developed costa and strong sacculus provided with distinct spined termination; hairs present in median and posterior portions of disc; brachiola broad, weakly tapering basally; transtilla well sclerotized, arced. Aedeagus with large coecum penis; no cornuti present.


External characters: Markings less conspicuous than in male.

female genitalia P. abievora
Genitalia: Sterigma developed as a postvaginal plate with lateral arms which tapers apically; antrum short, well sclerotized; signum in form of deeply concave plate devoid of any spines.


This species only has one generation yearly. Moths fly from late April to late May. Young larvae hibernate (Yasuda, 1975b).

Host plants:

Abies firma, Abies sachalinensis, Tsuga sieboldii


The larva mines from the tip of a needle almost to the base. Later it ties three or four needles together into a bundle or tube, and lines the interior of the tube with silk (Yasuda, 1975b).


Russia: Primorsk; Japan: Honshu; Korea.


Pheromone unknown.