Grapholita gemmiferana Treitschke, 1835 Species
Last modified: Feb. 8, 2024, 5 p.m.
A very rare but widespread species in Belgium.
Details
- Classification
- Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Grapholita > Subgenus: Grapholita > Species: Grapholita gemmiferana
- Vernacular names
- Egaalvlakbladroller (NL), Isle of Wight Piercer (EN), Bärenschotenwickler (DE)
- First mention in Belgium
- Janmoulle E. 1948a. Espèces nouvelles pour la faune belge. — Lambillionea 48: 20–21, 33–34, 50, 82–83. On page 20.
- Status
-
Native
Distribution
Imago
Wingspan 13–16 mm. Distinguished by the orange-ochreous suffusion in the distal area of the forewing. The mirror is more or less distinctly yellow, normally with 4 black points.
Museum specimens
No pictures yet!Specimens in nature
Genitalia
Male genitalia: sacculus convexly rounded caudally; neck of valva very short; cucullus strongly elongate, convex ventro-proximally; aedeagus stout; cornuti moderately long.
Caterpillar
The caterpillar is greenish grey-white with black warts, the head is light brown, the neck shield is the same color as the body with a transverse row of four dark dots that flow together in pairs, the anal shield is narrow and brownish.
Bionomics
The larva lives in a spun leaf or between two leaves spun together on the host plant. It overwinters in its cocoon from the end of August and pupates in a cocoon spun amongst leaf-litter in April.They are active during sunshine and frequently come to light and are also attracted to the pheromone of Cydia fagiglandana.
Flight periods
The adults fly onwards from mid-April towards mid-July.
Observed on
- Host plant (species):
- Lathyrus sylvestris, Lathyrus palustris, Lathyrus pannonicus and Lathyrus latifolius
The larva lives on Lathyrus sylvestris, Lathyrus pannonicus, Lathyrus latifolius and Lathyrus palustris.
Habitat
It inhabits open places in forest, forest roads, flowery fields and pastures, roadsides and wasteland.
