W. Wulker

Chironomus fraternus sp. n. and C. beljaninae sp. n., sympatric sister species of the aberratus group in Fennoscandian reservoirs

W. Wulker, 1991 .

Basic patterns in the chromosome evolution of the genus Chironomus (Diptera)1

W. Wulker, 2009 .

Limnomermis anthracini n.sp. and L. bathophili n.sp., sympatric species of Mermithidae (Nematoda) in different chironomid (Diptera) hosts

G. Skofitsch, H. Kaiser, W. Wulker, 1987 .

Chromosomes, morphology, ecology and distribution of Sergentia baueri, spec. nov., S. prima Proviz & Proviz, 1997 and S. coracina Zett., 1824 (Insecta, Diptera, Chironomidae)

I. Kerkis, P. Nevers, I. Kiknadze, 1999 .

Chironomus esai n. sp. (Diptera: Chironomidae) in lakes and reservoirs of central Fennoscandia

W. Wulker, 1997 .