Parornix kalmiella
(Dietz, 1907)
Sort #: 234 | P #: 330135 | MPG #: 676
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Larval feeding type: Forms a tentiform leaf-mine on the underside, then feeds in a folded leaf edge; pupates in a silken cocoon away from the feeding area
Larval substrate: Kalmia angustifolia* (Sheep Laurel)
Phenology: Adult: 5/29 to 7/23 (4 records)
Comment: The adult is similar to P. preciosella, but easily distinguished by the six instead of five white costal dashes. There could be up to 4 cryptic species under this name, two of which have so far been found in the State. More research needs to be undertaken to clarify the situation.
Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 2014
Last Year Reported: 2023
Distribution by County: Hampshire, Franklin, Middlesex, Norfolk, Plymouth, Barnstable, Nantucket
Number of Records: 15
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Adult male reared from Kalmia angustifolia (Photo: ©S. Whitebread) -

Larva on Kalmia angustifolia (Photo: ©S. Whitebread) -

Larva on Kalmia angustifolia (Photo: ©S. Whitebread) -

Young mine on Kalmia angustifolia (Photo: ©S. Whitebread) -

Larval leaf-fold in tip of Kalmia angustifolia leaf (Photo: ©S. Whitebread) -

Pupal cocoon at edge of leaf-fold in tip of Kalmia angustifolia leaf (Photo: ©S. Whitebread)
