Sibinia

Germar, 1817

leguminous seed weevils

Sibinia is a of seed in the containing at least 20 described . The genus is divided into three subgenera: Sibinia (s. str.), Dichotychius, and Microtychius. Species develop as within seeds of plants, primarily in the families Caryophyllaceae and Plumbaginaceae. The genus has been studied for its potential use in of .

Sibinia setosa by (c) Jason Eckberg, some rights reserved (CC BY), uploaded by Jason Eckberg. Used under a CC-BY license.

Pronunciation

How to pronounce Sibinia: //sɪˈbɪ.ni.ə//

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Identification

Sibinia can be distinguished from the closely related Tychius by larval morphological characters. are small with the characteristic elongated typical of . Subgeneric relies on adult morphological characters supported by larval traits.

Images

Habitat

Terrestrial environments where plants occur. Larval development occurs entirely within seeds of host plants.

Distribution

Palaearctic region; Americas (subgenus Microtychius); Bulgaria; Australia (S. fastigiata for research). Distribution records from GBIF include Denmark, Norway, and Sweden.

Diet

Seeds of plants. Documented host include Caryophyllaceae (five Palaearctic ) and Plumbaginaceae (S. sodalis). Sibinia fastigiata has been investigated for of Mimosa pigra.

Host Associations

Caryophyllaceae - larval (seeds)Five Palaearctic : S. attalica, S. femoralis, S. tibialis, S. viscariae, S. sicana
Plumbaginaceae - larval (seeds)S. sodalis
Dianthus giganteus - S. subelliptica in Bulgaria
Mimosa pigra - S. fastigiata investigated for

Life Cycle

and develop within seeds of plants. emerge from seeds. traits are highly homogeneous across in the .

Ecological Role

Seed . Serves as for (: Chalcidoidea), including , , , , and . Investigated as agent for .

Human Relevance

Investigated for of , particularly Mimosa pigra in Australia. Some species may impact leguminous or plants through seed .

Similar Taxa

TychiusClosely related ; distinguished by larval morphological characters

More Details

Subgeneric classification

Three subgenera recognized: Sibinia (s. str.), Dichotychius Bedel 1885, and Microtychius Casey 1910. Larval characters support this , particularly for distinguishing Sibinia s. str. groups.

Parasitoid complex

S. subelliptica in Bulgaria a diverse complex of including Aprostocetus venustus, Baryscapus sp., Eupelmus barai, E. microzonus, Aximopsis augasmae, A. collina, Eurytoma coleophorae, E. coleopterae, Catolaccus crassiceps, Pteromalus ochrocerus, and Exopristus trigonomerus.