Pteromalus sonchi n.sp. (Hymenoptera: Chalcidoidea), a parasitoid of Tephritis dilacerata (Loew) (Diptera: Tephritidae), living in flower-heads of Sonchus arvensis L. (Asteraceae) in Sweden

Author: Janzon Lars-Åke  

Publisher: Brill

ISSN: 1876-312X

Source: Insect Systematics & Evolution, Vol.14, Iss.3, 1983-01, pp. : 309-315

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Abstract