Seq # 362910120

Cydia nigricana (Fabricius, 1794) Species

Last modified: Dec. 15, 2023, 11:10 a.m.


A fairly common species in the northern part of Belgium, much rarer in the south. Can be locally a pest on various Leguminosae, especially on cultivated peas.


Details

Classification
Family: Tortricidae > Subfamily: Olethreutinae > Tribus: Grapholitini > Genus: Cydia > Species: Cydia nigricana
Vernacular names
Erwtenbladroller (NL), Pea Moth (EN), Erbsenwickler (DE)
First mention in Belgium
De Crombrugghe G. 1906a. Catalogue raisonné des Microlépidoptères de Belgique. — Mémoires de la Société entomologique de Belgique XIII: 1–172; XIV: 1–155. On page 138.
Status

Native


Distribution


Imago

Wingspan 11–16 mm. Fairly uniform brown or grey-brown, finely irrorate with pale ochreous distally, conspicuous costal strigulae, weakly developed ocellus with 3 or 4 black dashes and is edged plumbeous. Hindwing with white or cream-white cilia which contrast strongly with the dark fuscous coloration of the wing.

Museum specimens


Specimens in nature

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Egg

Eggs laid in clusters on leafs. Oval shaped, 0.75 – 0.8 mm in length, flattened on one side. Initially white coloured, becoming yellow with age.

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Caterpillar

The final instar reaches 14 mm in length. The caterpillar is initially whitish but becoming yellow. Eight lines of dark warts are present. The head is light brown to dark, the nape and anal shield are grey-brown, the former has dark dots on the sides and back.

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Bionomics

The larvae living in a pod of the food plant, feeding on the green peas. They move from seed to seed, often uniting two together with a silken web. When it's fully fed, it cuts a hole in the side of the pod and drops to the ground. Here it constructs a cocoon in the soil where it hibernates.
They are active during afternoon sunshine and as well at dusk and night when they come occasionally to light.

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Flight periods

The adults have been seen from late April towards late August, with the peak in May and June.


Observed on

Host plant (species):
Pisum sativum
Host plant (genera):
Vicia and Lathyrus

The species is often considered a pest in pea pods, but it also lives in the pods of other legumes. The larvae living on Pisum sativum, Lathyrus japonicus, Lathyrus pratensis, Lathyrus odoratus, Vicia cracca, Vicia sativa and Lens culinaris.

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Habitat

It inhabits rough ground, herb-rich pastures and fields and especially gardens and horticultural land where peas are cultivated.

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