Seq # 160570010

Phalacropterix graslinella (Boisduval, 1852) Species

Last modified: Oct. 16, 2021, 12:21 p.m.

A very rare species in Belgium, only known from AN. This is the species recorded by E. Fologne as viciella in 1861 (see Fologne, Mors & Weyers 1861: 48).


Family: Psychidae > Subfamily: Oiketicinae > Tribus: Phalacropterigini > Genus: Phalacropterix > Species: Phalacropterix graslinella
Vernacular names
Veenheidezakdrager (NL), Graslins Sackträger (DE)
First mention in Belgium
Heylaerts F. J. M. 1884. Les Psychides de la Hollande et de la Belgique. — Annales de la Société Entomologique de Belgique 28: xci–xciv. On page xcii. view page




Museum specimens

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Specimens in nature


Larvae can be found from early July till April next year.

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Length 22–25 mm, width 6–8 mm. The case of the male is often covered with silken threads.
The male has a silken tube of ca. 5 mm at its rear end while the female does not construct such a silken tube.

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The larva lives two years in its case. The male pupates low in the vegetation, the female in a conspicuous spot, e.g. high on a branch.
Males fly in the sunshine and live only for some days, the wingless females several weeks.

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Flight periods

One generation a year: from late April till mid June with a peak around mid May.

Observed on

Host plant (species):
Calluna vulgaris, Centaurea scabiosa and Geranium sanguineum
Host plant (genera):

Polyphagous on several herbs.

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Moorland, swamps, heathland.

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