Acta Zoologica Lituanica

Zooplankton communities of the Daugava River were investigated in two river stretches: the river stretch from Surozha in Belarus to Dunava in Latvia in 2008 and the Kraslava–Dunava stretch in 2005–2009. Samples of zooplankton were collected at the right and left banks as well as in the middle of the river. The comparison of the results obtained with findings of the studies performed in similar sections of the Daugava River in 1956–1966 shows that the total number of zooplankton taxa in 2005–2009 has decreased by 48 taxa. Relevant changes have been recorded in the structure of taxa. The observed tendency for the total amount of zooplankton and species diversity to decrease is probably due to the changing hydrological situation in the Daugava drainage basin and long-term climate changes.

Rasma Deksne

Artūrs Škute

Jana Paidere

Changes in Structure of Zooplankton Communities in the Middle Daugava (Western Dvina) Over the Last Five Decades

过去五十年中多瑙河中游（西德维纳河）浮游动物群落结构的变迁

Spiders of the genus Murricia Simon, 1882 (Araneae: Hersiliidae) from India were studied based on freshly collected material from different localities of the Andhra Pradesh state. The study resulted in the detection of two species, one of which is the known species Murricia triangularis Baehr & Baehr, 1993 and the other one is a new species, Murricia hyderabadensis. So far, this genus has been known from India from female specimens only. The present article provides the redescription of M. triangularis and the description of M. hyderabadensis sp. nov. based on female specimens.

S. M. Maqsood Javed

Farida Tampal

Spiders of the GenusMurriciaSimon, 1882 (Araneae: Hersiliidae) from India

印度产Murricia属蜘蛛（蜘蛛目：赫西莉蛛科）

The synonymy of Catocala seibaldi Saldaitis, Ivinskis & Borth, 2010 (= Catocala pseudoformosana Ishizuka, 2010 syn. nov.) is established and a new locality is recorded for the species.

Gottfried Behounek

A new synonymy in the genus Catocala (Lepidoptera, Noctuidae)

鳞翅目夜蛾科Catocala属的一个新同物异名

Abstract A search for the Siberian silk moth – Dendrolimus sibiricus (Tschetverikov, 1908) was carried out from 2002 to 2004 using sticky traps baited with a synthetic sex pheromone blend. Traps were deployed in 98 localities throughout Lithuania: in town parks, botanical gardens, forest trees nurseries and forest lots. No D. sibiricus specimens were found, but a total of 52 other moth species were trapped and identified. D. pini (Linnaeus, 1758) was the most frequently found species. Other species of trapped moths revealed new information on the Lithuanian fauna. Three new localities of the occurrence of very rare for Lithuania moth species, Parornix loganella (Stainton, 1848) and Dichelia histrionana (Frölich, 1828) were found. Six new localities were recorded for the occurrence of five moth species which are rare in Lithuania. Keywords: pheromone trapsvery rare and rare species

Henrikas Ostrauskas

Povilas Ivinskis

Moths trapped during the search for Dendrolimus sibiricus (Lepidoptera, Lasiocampidae) in Lithuania

在立陶宛寻找Dendrolimus sibiricus（鳞翅目，枯叶蛾科）期间捕获的蛾类

Morphological and genetic variations in the vendace, Coregonus albula, in 31 lakes of Lithuania were investigated. Twenty one morphometric and six meristic characters, as well as eight loci of three isoenzyme systems and one nonspecific protein, were analysed. No intraspecific groups of vendace were identified in the investigated lakes. The obtained results showed that interpopulation differences in vendace are not associated with geographic distances between lakes and the location of lakes in the hydrographic system of Lithuania. Some morphometric and meristic characters were found to correlate with morphological parameters of the lakes, but no significant correlation was observed between Nei distances and other interpopulation parameters. Vendace populations of the southern part of Lithuania are the most distinctive among other investigated vendace populations.

Algirdas Kaupinis

Egidijus Bukelskis

Morphological and Genetic Variations in Vendace (Coregonus Albula(L.)) in the Lakes of Lithuania

立陶宛湖泊中白鲑（Coregonus Albula (L.)）的形态和遗传变异

R. Rakauskas

Book Reviews

书评

Abstract Faunal data on eight species of the tribe Cionini Schoenherr, 1825 are presented. A total of 422 specimens of this tribe were reviewed. The bibliographical information on this tribe in Latvia is summarized for the first time. The annotated list including nine species and the illustrated key to Latvian Cionini are given. Keywords: ColeopteraCurculionidaeCioniniLatviafaunaidentification key

Maksims Balalaikins

Latvian Curculioninae (Coleoptera: Curculionidae): 1. Tribe Cionini Schoenherr, 1825

拉脱维亚象甲亚科（鞘翅目：象甲科）：1. 族Cionini Schoenherr, 1825

This study presents the up-to-date list of the aphid species (family Aphididae, 63 species and one subspecies of 28 genera altogether) reported from Trakai district (Lithuania). It is based on the reference data (23 species altogether, 1927–1966) and original material collected in 1986 and 2007, with the comments on their distribution. Dysaphis leefmansi and Uroleucon cichorii subsp. leontodontis are reported for the first time in the aphid fauna of Lithuania, Aphis valerianae for the first time in the Palaearctic region. Consequently, the list of aphid species in Lithuania has grown to 336 species.

Rimantas Rakauskas

Jovita Trukšinaitė

Preliminary list of aphid (Hemiptera: Aphididae, Adelgidae) species of Trakai district, Lithuania

立陶宛特拉凯区蚜虫（半翅目：蚜科，球蚜科）种类初步名录

Abstract A search for the pine-tree lappet moth (Dendrolimus pini (Linnaeus, 1758)) and Siberian silk moth (D. sibiricus (Tschetverikov, 1908)) was carried out by using sticky traps baited with synthetic sex pheromone blends. The traps intended for search of D. pini were operated in 19 localities of pine forests all over Lithuania during the period 2004–2006, and for D. sibiricus in 47 localities of such habitats as town parks, botanical gardens, forest trees nurseries and forest lots all over Lithuania during the period 2005–2006. In total, 32 moth species were identified from sticky traps intended for search of D. sibiricus: however, not a single Siberian silk moth was found. D. pini composed the biggest part of moths caught by traps for D. sibiricus, the frequency of D. pini was the highest, and it could be ascertained as not accidental. Other trapped moth species were revealed to be non-target. Two new localities of the occurrence of a very rare for Lithuania moth species, Bryotropha senectella (Zeller, 1839), were established. One new locality of the occurrence of a rare for Lithuania moth species, B. galbanella (Zeller, 1839), was detected. Sticky traps intended for search of D. pini contained 17 moth species. D. pini composed the biggest part of all moths caught, and its frequency was the highest. Other trapped moth species were revealed to be non-target. The traps baited with pheromone blends where two components were used in equal quantities were more attractive for D. pini in Lithuania. Keywords: pine-tree lappet mothSiberian silk mothpheromone trapsspecies distribution

Moths caught in pheromone traps during search for Dendrolimus pini and D. sibiricus (Lepidoptera, Lasiocampidae) in Lithuania

在立陶宛寻找Dendrolimus pini和D. sibiricus（鳞翅目，枯叶蛾科）期间，性信息素诱捕器捕获的蛾类

An ecomorphological analysis was applied to hamsters, Cricetinae. This subfamily includes seven genera and 18 species which inhabit forest-steppes, steppes, and semi-deserts of Palaearctic Eurasia. The main goals of this study were: (1) to reveal the morphological peculiarities of hamsters and the ecological meaning of these peculiarities, (2) to estimate the levels of specialisation in different hamster species, (3) to reveal the ecomorphological diversity of Cricetinae, and (4) to reconstruct the course of adaptive evolution in hamsters. Hamsters possess a specific combination of ecomorphological traits: a relatively broad head, moderately developed external sense organs, cheek pouches, short hind feet, and a short tail. These and other morphological traits are predominantly associated with nocturnal activity, non-bounding locomotion, relatively good digging ability, poor climbing ability, aggressiveness, granivory with a tendency to herbivory, and hoarding behaviour. The least specialised hamster is Tscherskia triton, and the most specialised is Mesocricetus raddei. Four ecomorphs were distinguished: (1) rat-like hamsters (Cansumys (?), Tscherskia), (2) ‘smaller hamsters’ (Allocricetulus curtatus, most Cricetulus, Phodopus), (3) ‘larger hamsters’ (Allocricetulus eversmanni, Cricetus, Mesocricetus), and (4) Tibetan hamsters (Cricetulus alticola, C. kamensis). It is assumed that the adaptive evolution of hamsters started from a mouse-like ancestor and passed three grades of adaptive evolution: (1) rat-like hamsters, (2) typical hamsters, represented by ‘smaller’ and ‘larger’ ecomorphs, which differ in size and skull morphology, and (3) Tibetan hamsters, which show reverse evolution from a ‘smaller hamsters’ construction to a more mouse-like construction.

Andrei Miljutin

Trends of specialisation in rodents: the hamsters, subfamily Cricetinae (Cricetidae, Rodentia, Mammalia)

啮齿动物的特化趋势：仓鼠，亚科Cricetinae（Cricetidae科，啮齿目，哺乳纲）

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