Contents of Volume 12 Number 1, 2001

Niklas Wahlberg: Editorial..........1-2

Atte Komonen, Juha Siitonen & Marko Mutanen: Insects inhabiting two old-growth forest polypore species..........3-14. Full article

Sverre Kobro: Hoplothrips polysticti (Thysanoptera) on the wood-rotting polypore Trichaptum abietinum infecting dead Picea abies in Norway..........15-21. Full article

Kari Nupponen & Matti Ahola: Notes on the biology of Pterophorus volgensis (Möschler, 1862) with description of larval stage (Lepidoptera, Pterophoridae) ..........22-27. Full article

Matti Ahola: Redescription of the larva of Siobla ruficornis (Gimmerthal, 1834) (Hymenoptera, Tenthredinidae) from East Finland..........28-32. Full article

Veli Vikberg & Martti Koponen: New records of three rare European dryinids (Hymenoptera, Dryinidae) ..........33-38. Full article

Osmo Heikinheimo: Semiaphis nolitangere Aizenberg, 1954 and differences between the genera Semiaphis van der Goot, 1913 and Hyadaphis Kirkadly, 1904..........39-43. Full article

Markus Leppä & Heikki Hämäläinen: Zavreliella marmorata (v.d. Wulp, 1859) (Diptera: Chironomidae) - a new chironomid species to Finland from Lake Pohjalampi, North Karelia..........44-45. Full article

Pekka Vilkamaa & Atte Komonen: Redescription and biology of Baeosciara sinuata (menzel & Mohrig) comb.n. (Diptera, Sciaridae)..........46-49. Full article

Kari Nupponen & Timo Nupponen: Pterophorus poculidactyla sp. n. from Altai mountains (Lepidoptera: Pterophoridae) ..........50-52. Full article

Kari Nupponen: Records of scythridids from Tunisia, with description of two new species (Lepidoptera, Scythrididae) ..........53-58. Full article

R. Henry L. Disney, Elena L. Zvereva and Mikhail B. Mostovski: A scuttle fly (Diptera: Phoridae) parasitizing a beetle (Coleoptera: Chrysomelidae) in Russia..........59-63. Full article

Corrigenda..........64

Contents of Volume 12 Number 2, 2001

J. Rydell, J. Fagerström, S. Andersson, G. Gamberale Stille, M. Gelang, W.C.Lancaster, M.G.E. Svensson and B.S.Tullberg: Convergence in wing coloration between orange underwing moths (Archiearis spp.) and tortoishell butterflies (Aglais spp.)..........65-71. Full article

Niklas Wahlberg, Jaakko Kullberg & Ilkka Hanski: Natural history of some Siberian melitaeine butterfly species (Nymphalidae: Melitaeini) and their parasitoids..........72-77. Full article

Gergely Várkonyi & Matti Ahola: Notes on the larval biology of Xestia borealis (Lepidoptera, Noctuidae)..........78-80. Full article

Kari Nupponen & Timo Nupponen: Notes on the scythridid fauna of the Altai Mountains, with description of four new species (Lepidoptera: Scythrididae)..........81-93. Full article

Kari Nupponen, Jari Junnilainen, Timo Nupponen & Vladimir Olschwang: The cochylid fauna of the Southern Ural Mountains, with description of Cochylimorpha ignicolorana Junnilainen & K. Nupponen sp. n. (Lepidoptera: Tortricidae, Cochylini)..........94-107. Full article

Xuexin Chen, Junhua He, Kees van Achterberg & Yun Ma: A new species of the genus Cryptoxilos Viereck (Hymenoptera: Euphorinae: Braconidae) from China..........108-111. Full article

Jari Junnilainen: Two new species of Swammerdamia from the southern Ural Mountains and the southern Siberia (Lepidoptera: Yponomeutidae)..........112-118. Full article

Reijo Jussila: Pionini species (Hym., Ichneumonidae, Ctenopelmatinae) new to Finland..........119-120. Full article

Anders N. Nilsson: A new Gyrinus species from Mongolia (Coleoptera, Gyrinidae)..........121-124. Full article

Book reviews (x3)..........125-128

Contents of Volume 12 Number 3, 2001

Heikki Roininen, Jorma Tahvanainen, Veli Vikberg & Alexey Zinovjev: Salix aurita ó the correct food plant for Euura cinereae Kopelke, 1996 (Hymenoptera: Tenthredinidae)..........129-130. Full article

Jens Rydell, Heikki Roininen, Kenelm W. Philip & Ali Karhu: Lepidoptera collected in the Canadian Arctic during the Tundra Northwest 99 expedition..........131-138. Full article

Jukka Salmela: Adult craneflies (Diptera: Nematocera) around springs in southern Finland..........139-152. Full article

Lauri Kaila, Bengt Å. Bengtsson, Ivars Sulcs & Jari Junnilainen: A revision of the Elachista regificella Sircom -complex (Lepidoptera: Elachistidae)..........153-168. Full article

Petri Martikainen & Martti Koponen: Meteorus corax Marshall, 1898 (Hymenoptera: Braconidae), a new species to Finland and Russian Karelia, with an overview of northern species of Meteorus parasitizing beetles..........169-172. Full article

Ritva Niemi: Atopochthonius artiodactylus Grandjean, 1948 (Acari: Oribatida) found for the first time in Finland..........173-175. Full article

Veli Vikberg & Martti Koponen: Proclithrophorus genalis sp. n. from northern Finland representing a genus new to European fauna (Hymenoptera: Braconidae: Euphorinae)..........176-181. Full article

Hans Silfverberg: Walter Hackman (1916-2001)..........182-192

Contents of Volume 12 Number 4, 2001

Reijo Jussila: Additions to the revision of the genus Atractodes (Hymenoptera, Ichneumonidae) of the Palaearctic Region. III...........193-216. Full article

Kari Nupponen, Matti Ahola & Jaakko Kullberg: Agrotis iremeli sp. n. from the southern Ural Mountains, with description of larval stage (Lepidoptera: Noctuidae)..........217-226. Full article

Hans Silfverberg: Changes 1996-2000 in the list of Finnish insects..........227-243. Full article

Niklas Wahlberg: On the status of the scarce fritillary Euphydryas maturna (Lepidoptera: Nymphalidae) in Finland..........244-250. Full article

Book reviews (x2)..........251-253

Erratum..........254