European Journal of Entomology back issues from July 2007:
Dispersal and reproductive responses of the water strider, Aquarius paludum (Hemiptera: Gerridae), to changing NaCl concentrations
Jul 25, 2007; ... Key words. Gerridae, brackish water, NaCl concentration, reproductive traits, flight activity, Aquarius paludum Abstract. The responses of females of the water strider, Aquarius paludum, to changes in NaCl concentration were examined in the laboratory. The insects were sampled seasonally ...
Molecular differentiation of the four most commonly occurring Trichogramma (Hymenoptera: Trichogrammatidae) species in China
Jul 25, 2007; ... Key words. Trichogrammatidae, Trichogramma, molecular identification, species-specific primers, restriction fragment length polymorphism, random amplified polymorphic DNA Abstract. Trichogramma dendrolimi, T. ostriniae, T. confusum and T. evanescens are the four most commonly occurring ...
Temporal effects of multiple mating on components of fitness in the two-spot ladybird, Adalia bipunctata (Coleoptera: Coccinellidae)
Jul 25, 2007; ... Key words. Coccinellidae, Adalia, behaviour, cost of mating, ladybird, polyandry, sexual selection, sexual conflict Abstract. Insects have provided much of the best evidence to date concerning possible costs and benefits of multiple mating, and here we investigate the benefits of ...
A study of meiosis and spermiogenesis in the testicular lobes of Antiteuchus tripterus (Heteroptera: Pentatomidae)
Jul 25, 2007; ... Key words. Heteroptera, Pentatomidae, meiosis, spermatozoa, testicular lobes, harlequin lobe Abstract. An analysis of testicular morphology and spermatogenesis in the Heteroptera species Antiteuchus tripterus (Pentatomidae) revealed that these traits differ from that recorded for other ...
Repellency of conspecific and heterospecific larval residues to Hippodamia convergens (Coleoptera: Coccinellidae) ovipositing on sorghum plants
Jul 25, 2007; ... Key words. Coccinellidae, cannibalism, Hippodamia convergens, Coleomegilla maculata, deterrence, larval residues, intraguild predation, oviposition, Schizaphis graminum, Sorghum bicolor Abstract. We examined oviposition decisions by Hippodamia convergens Guérin in semi-natural arenas in ...
Daily activity and flight behaviour of adults of Capnodis tenebrionis (Coleoptera: Buprestidae)
Jul 25, 2007; ... Key words. Buprestidae, Capnodis tenebrionis, flight activity, feeding activity, insect movement Abstract. Ecological studies on the buprestid beetle Capnodis tenebrionis (Linnaeus, 1767) were carried out in the laboratory and the field. In particular, attention focussed on the effects ...
Life table parameters of the pseudococcid predators Nephus includens and Nephus bisignatus (Coleoptera: Coccinelidae)
Jul 25, 2007; ... Key words. Coccinellidae, Nephus bisignatus, Nephus includens, development of immature stages, fecundity, survival, Planococcus citri, temperature Abstract. The fecundity of the pseudococcid predators Nephus includens (Boheman) and N. bisignatus (Kirsch) (Coleoptera: Coccinellidae), fed ...
Influence of different diets and oviposition substrates on Lygus rugulipennis biology (Heteroptera: Miridae)
Jul 25, 2007; ... Key words. Miridae, Heteroptera, Lygus rugulipennis, rearing, artificial diet, beans, reproduction, development, survival, weight Abstract. The aim of this study was to evaluate the effects of different diets on the development and reproduction of Lygus rugulipennis Poppius (Heteroptera: ...
The association between wing morphology and dispersal is sex-specific in the glanville fritillary butterfly Melitaea cinxia (Lepidoptera: Nymphalidae)
Jul 25, 2007; ... Key words. Lepidoptera, Nymphalidae, glanville fritillary, Melitaea cinxia, dispersal, wing shape, body morphology, individual quality, fluctuating asymmetry, wing aspect ratio, wing loading, sexual dimorphism Abstract. We examined whether dispersal was associated with body and wing ...
Cold tolerance and trehalose accumulation in overwintering larvae of the codling moth, Cydia pomonella (Lepidoptera: Tortricidae)
Jul 25, 2007; ... Key words. Tortricidae, cold hardiness, Cydia pomonella, diapause, overwintering, supercooling point, acclimation, trehalose Abstract. Seasonal variations in the supercooling point, survival at low temperatures and sugar content were studied in field-collected codling moth larvae. The ...
bmpkci is highly expressed in a resistant strain of silkworm (Lepidoptera: Bombycidae): Implication of its role in resistance to BmDNV-Z
Jul 25, 2007; ... Key words. PKCI, Bombyx mori, virus-resistance, densonucleosis virus, fluorescent differential display, quantitative real-time PCR Abstract. Using the fluorescent differential display technique, a special band named Bm541 was identified by screening for differentially expressed genes in ...
Differences in the development of the closely related myrmecophilous butterflies Maculinea alcon and M. rebeli (Lepidoptera: Lycaenidae)
Jul 25, 2007; ... Key words. Lycaenidae, Maculinea alcon, Maculinea rebeli, Myrmica ants, myrmecophily, host-ant specificity, growth rate, larval diapause, Gentiana pneumonanthe, Gentiana cruciata, endangered species, Poland Abstract. The initially phytophagous caterpillars of Maculinea alcon and M ....
Sexual dimorphism and light/dark adaptation in the compound eyes of male and female Acentria ephemerella (Lepidoptera: Pyraloidea: Crambidae)
Jul 25, 2007; ... Key words. Pyraloidea, Crambidae, compound eye, photoreception, vision, retina, sexual dimorphism, polarization sensitivity, dark/light adaptation, photoreceptor evolution Abstract. In the highly sexual-dimorphic nocturnal moth, Acentria ephemerella Denis & Schiffermüller 1775, the ...
The development of sexual differences in body size in Odonata in relation to mating systems
Jul 25, 2007; ... Key words. Odonata, Anisoptera, Anax imperator, Cordulegaster boltonii, Onychogomphus uncatus, Oxygastra curtisii, Zygoptera, Cercion lindeni, Ischnura graellsii, Platycnemis acutipennis, sexual size dimorphism Abstract. Adult body size is the result of important environmental, maternal ...
Myzocallis walshii (Hemiptera: Sternorrhyncha: Aphididae), an exotic invasive aphid on Quercus rubra, the American red oak: Its bionomy in the Czech Republic
Jul 25, 2007; ... Key words. Aphididae, Myzocallis walshii, Quercus, parasitoids, expansion, Czech Republic, exotic insects Abstract. Myzocallis (Lineomyzocallis) walshii (Monell), a North American aphid species associated with Quercus rubra was detected for the first time in Europe in 1988 (France), and ...
The microspatial distribution of beetles (Coleoptera) on exposed riverine sediments (ERS)
Jul 25, 2007; ... Key words. Carabidae, Elateridae, hydroecology, habitat preference, microdistribution, pitfall trapping, riparian, exposed riverine sediments, river Severn, Spatial Analysis by Distance Indices, (SADIE) Abstract. Exposed Riverine Sediments (ERS) are often characterised by a high ...
Redescription of a weevil Paramecops sinaitus (Coleoptera: Curculionidae: Molytinae) from the Sinai and an ecological study of its interaction with the Sinai milkweed Asclepias sinaica (Gentianales: Asclepiadaceae)
Jul 25, 2007; ... Key words. Curculionidae, Asclepias sinaica, chemical defence, coevolution, herbivory, new combination, new synonymies, Paramecops sinaitus, plant-insect interactions, redescription, secondary metabolites, taxonomy Abstract. We collected specimens of Paramecops sinaitus (Pic, 1930) ...
Cladistic analysis of Sericania (Coleoptera: Scarabaeidae: Sericini) - implications for the evolution of the xerophilous fauna of the Himalaya
Jul 25, 2007; ... Kew words. Coleoptera, Scarabaeidae, Sericini, Sericania, taxonomy, cladistic analysis, biogeography, Himalaya, Tibet Abstract. A cladistic analysis of the species of Sericania Motschulsky, 1860, was executed using fifty-six morphological characters of adults. The monophyly of the genus ...
Revision of Iberian species of the genus Merodon (Diptera: Syrphidae)
Jul 25, 2007; ... Key words. Syrphidae, Merodon, revision, Iberian Peninsula, new species, new synonymy, lectotype designation, map distribution, key Abstract. This study is a revision of the Iberian Merodon Meigen, 1803 species, including an illustrated key, a discussion of taxonomic characters and a ...
"Nymphes plissées" structure of the cuticle of juveniles of some oribatid mites (Acari: Oribatida)
Jul 25, 2007; ... Key words. Oribatida, cuticular layers, cerotegument, staining, light microscopy, TEM Abstract. The cuticular structure of juveniles of several oribatids of different families with wrinkled cuticles were compared: Hermannia gibba, Tectocepheus velatus, Scutovertex minutus, Achipteria ...
Variation in dung beetle (Coleoptera: Scarabaeoidea) assemblages with altitude in the Bulgarian Rhodopes Mountains: A comparison
Jul 25, 2007; ... Key words. Dung beetles, Scarabaeoidea, altitudinal variation, Rhodopes Mountains, European mountain assemblages, species richness Abstract. Variation with altitude in the composition of dung beetle assemblages and species richness was measured by sampling in spring, summer and autumn, ...
Effect of temperature on some biological parameters of an Iranian population of the Rose Aphid, Macrosiphum rosae (Hemiptera: Aphididae)
Jul 25, 2007; ... Key words. Aphididae, Macrosiphum rosae, rose aphid, geographic population, Iran, development, survival, fecundity, biology, developmental threshold, degree-day Abstract. The rose aphid, Macrosiphum rosae, living on rose var. Black Magic, was reared in the laboratory at four constant ...
Lepidosina, a new genus of New World Limosininae (Diptera: Sphaeroceridae)
Jul 25, 2007; ... Key words. Lepidosina, Sphaeroceridae, new genus, phylogeny, key, sexual dimorphism, New World, new species Abstract. The New World genus Lepidosina Marshall & Buck gen. n. is described including nine new and two previously described species: L. angusticercus Marshall & Buck sp ....
Phylogeny of European Dolichopus and Gymnopternus (Diptera: Dolichopodidae) and the significance of morphological characters inferred from molecular data
Jul 25, 2007; ... Key words. Diptera, Dolichopodidae, Dolichopus, Ethiromyia, Gymnopternus, Europe, mitochondrial DNA, cytochrome oxidase I, cytochrome b, morphology, ecology, distribution Abstract. Dolichopodidae (over 6000 described species in more than 200 genera) is one of the most speciose families ...
Faunal patterns in Tuscan archipelago butterflies: The dominant influence is recent geography not paleogeography
Jul 25, 2007; ... Key words. Lepidoptera, butterflies, Tuscan archipelago, Tuscany, Corsica, richness, isolation, faunal composition, island area, Pleistocene, recent geography Abstract. The aim of this paper is to examine whether current and/or Pleistocene geography affect the species richness and ...
Transition from bamboo sap to water: Aquatic habits in the sap beetle Amphicrossus japonicus (Coleoptera: Cucujoidea: Nitidulidae)
Jul 25, 2007; ... Key words. Nitidulidae, Amphicrossus, aquatic beetles, Culicidae, bamboo, tree sap, phytotelm, hydrofuge hairs, Oriental Region, Malaysia, Thailand Abstract. Amphicrossus japonicus is the first known facultatively aquatic nitidulid. The adult beetles breed in bamboo sap and subsequently ...