Year 1986, No. 2 (March - April)

Fauna and Systematics

Fedorenko I. A. New Philopterus Species (Mallophaga, Philopteridae) — Parasites of Prunellid and Troglodytid Birds

Zerova M. D., Seregina L. Ya., Tsybulsky A. I. On the Systematic Position and Host-Parasite Relations of Dibrachys cavus (Hymenoptera, Pteromalidae). Communication I

Kovalev О. V., Diakonchuk L. A. A Redescription of Aulacidea acroptilonica (Hymenoptera, Cynipidae)

Rasnitsyn A. P. New Species of the Mesoserphidae Hymenopteran Family from Upper Jurassic Kara-Tau

Kolodocfika L. A. On Taxonomic Status of Two Typhloctonus Species (Pararsitiformes, Phytoseiidae)

Yurakhno M. V., Krutik I. V., Orenstein L. V. On Helminth Fauna of Reptiles of the River Salghir Basin (Crimea)

Ecology

Borisov S. N. Population of Some Dragon Fly Species in South-Western Tadjikistan Valleys

Frantsevich L. I., Zolotov V. V. Orientation of the Ant, Cataglyphis aenescens on a Vertical Wall

Puchkov A. V., Petrenko A. A. Ecological Characteristics of the Wheat Field Staphylinid Beetles in the Ukrainian Steppe

Tsvelykh A. N., Dyadicheva E. A. Seebohm Law and Sex-Age Differences of the Wing Apex in Chaffinch

Germogenov N. I., Pozdnyakov V. I. Ecology of the Mountain Accentor in Yakutia

Morphology

Dolinskaya I. V. External Pupal Morphology of Some Notodontid Moths (Lepidoptera, Notodontidae) of the USSR Fauna

Akimov I. A., Hanel H., Romanovsky I. A., Yastrebtsov A. V. The Nervous System of the Mite Varroa jacobsoni (Parasitiformes, Varroidae), a Honey Bee Parasite. 2. Neurosecretory Centres of Synganglion

Domashevskaya E. I. Characteristics of the Periost Histostructure in Common Lizard

Short Communications

Belopolsky L. O., Laskova S. V. New Data on Frigate-Birds Ecology in the Tropical Eastern Part of the Pacific

Ardamatskaya Т. B. Population Increase of the Chicken-Snake Elaphe quatuorlineata in Forest-Steppe Parts of Chernomorsky Nature Reserve

Rodyuk G. N. A New Representative of the Genus Neopavlovskioides (Monogenea, Tetraonchoididae) from Plugar of the West Antarctic Area

Krivosheina M. G. Premature Morphology and Biology of a Relic Gall Midge, Catotricha marinae (Diptera, Cecidomyiidae)

Shevchenko A. K., Popovich A. P., Prudkina N. S. Frfuna and Ecology of the Blood Sucking Dniester Midflow

Kreuzberg A. V. A. New Subspecies of the Parnassius simo Group (Lepidoptera, Papilionidae) of Middle Asia