Recently added articles from European Journal of Entomology:
PREFACE
Jul 01, 2008; Michaud, J P ... The series of symposia known as Aphidophaga began with a meeting in 1965 in the former state of Czechoslovakia. At that time, opportunities for eastern European scientists to travel to international conferences were greatly limited by the ?giron curtain?h of the Soviet Union. The symposium was ...
Multitrophic interactions among plants, aphids, alternate prey and shared natural enemies - a review
Jul 01, 2008; Evans, Edward W ... Key words. Alternative prey, apparent competition, food webs, functional response, indirect interactions, mutualism, numerical response, parasitism, predation Abstract. Given the generalist tendencies of most predatory arthropods, it is widely thought that their impact on a particular ...
Weighty matters: Body size, diet and specialization in aphidophagous ladybird beetles (Coleoptera: Coccinellidae)
Jul 01, 2008; Sloggett, John J ... Key words. Body size, prey size, prey density, capture efficiency, dietary breadth, specialization, Coccinellidae, aphids Abstract. Aphidophagous ladybirds exhibit a broad range of body sizes. Until now this has been thought to be a function of the different prey densities that they feed ...
Leucopis annulipes larvae (Diptera: Chamaemyiidae) use a furtive predation strategy within aphid colonies
Jul 01, 2008; Fréchette, Bruno; Larouche, François; Lucas, Éric ... Key words. Predation strategy, active-searching predator, furtive predator, Chamaemyiidae, Leucopis annulipes, Cecidomyiidae, Aphidoletes aphidimyza, Coccinellidae, Harmonia axyridis, Acyrthosiphon pisum Abstract. A laboratory experiment was conducted to determine whether the predation ...
Forgotten natural enemies: Interactions between coccinellids and insect-parasitic fungi
Jul 01, 2008; Roy, Helen E; Cottrell, Ted E ... Key words. Entomopathogenic fungi, ladybeetles, ladybirds, Coccinellidae, Beauveria bassiana, Hesperomyces virescens Abstract. The role of predators and parasitoids in the regulation of insect populations is widely reported in the context of both pest and non-pest insects. However, this ...
Dispersal dynamics: Distribution of lady beetles (Coleoptera: Coccinellidae)
Jul 01, 2008; Krivan, Vlastimil ... Key words. Balanced dispersal, Coccinella septempunctata, habitat choice, ideal free distribution, matching principle Abstract. This article studies coccinellid dispersal in heterogeneous environments using some hypotheses on dispersal rates that correspond to empirical observations. It ...
Effects of habitat loss and fragmentation on the abundance and species richness of aphidophagous beetles and aphids in experimental alfalfa landscapes
Jul 01, 2008; Grez, Audrey A; Zaviezo, Tania; Díaz, Sandra; Camousseigt, Bernardino; Cortés, Galaxia ... Key words. Habitat fragmentation, habitat loss, experimental landscapes, coccinellids, carabids, aphids, alfalfa Abstract. In agro-ecosystems, habitat loss and fragmentation may alter the assemblage of aphidophagous insects, such as foliar-foraging (coccinellids) and ground-foraging ...
Body size and the temporal sequence in the reproductive activity of two species of aphidophagous coccinellids exploiting the same resource
Jul 01, 2008; Honek, Alois; Dixon, Anthony F G; Martinková, Zdenka ... Key words. Coccinella septempunctata, Propylea quatuordecimpunctata, Coccinellidae, Coleoptera, Dinocampus coccinellae, Braconidae, Hymenoptera, body size, reproduction, oviposition, prey abundance Abstract. The hypothesis that small species of aphidophagous coccinellids need lower aphid ...
Life table parameters of the aphid predators Coccinella septempunctata, Ceratomegilla undecimnotata and Propylea quatuordecimpunctata (Coleoptera: Coccinellidae)
Jul 01, 2008; Kontodimas, Dimitrios C; Milonas, Panagiotis G; Stathas, George J; Papanikolaou, Nickolaos E; Skourti, Anna; Matsinos, Yiannis G ... Key words. Coccinellidae, Coccinella septempunctata, Ceratomegilla undecimnotata, Propylea quatuordecimpunctata, Aphis fabae, fecundity, life tables Abstract. The life tables of the aphid predators Coccinella septempunctata L., Ceratomegilla undecimnotata (Schneider) and Propylea ...
Ladybird Coccinella septempunctata (Coleoptera: Coccinellidae) prefers toxic prey in laboratory choice experiment
Jul 01, 2008; Nedved, Oldrich; Salvucci, Sara ... Key words. Coccinellidae, Coccinella septempunctata, Harmonia axyridis, aphid, Aphis sambuci, elder, Sambucus nigra, food specificity, prey preference, food choice, optimal foraging, toxicity Abstract. In a laboratory experiment, we investigated the preference of larvae and adults of ...
Effects of larval diet on female reproductive output of the European coccinellid Adalia bipunctata and the invasive species Harmonia axyridis (Coleoptera: Coccinellidae)
Jul 01, 2008; Ware, Remy L; Yguel, Benjamin; Majerus, Michael E N ... Key words. Adalia bipunctata, aphidophagous guilds, cannibalism, Coccinellidae, Harmonia axyridis, intraguild predation, invasive species, larval diet, oviposition, ovariole number, reproductive fitness, resource competition Abstract. Cannibalism and intraguild predation (IGP) are both ...
Sympatric coexistence of sibling species Harmonia yedoensis and H. axyridis (Coleoptera: Coccinellidae) and the roles of maternal investment through egg and sibling cannibalism
Jul 01, 2008; Osawa, Naoya; Ohashi, Kazunori ... Key words. Coccinellidae, coexistence, Harmonia axyridis, Harmonia yedoensis, sibling cannibalism, sibling species Abstract. The sibling species H. yedoensis Takizawa coexists sympatrically and simultaneously with H. axyridis only on pine trees in Japan. To elucidate the mechanisms ...
The two spotted spider mite, Tetranychus urticae (Acari: Tetranychidae), alternative prey for the lacewing Dichochrysa prasina (Neuroptera: Chrysopidae)
Jul 01, 2008; Pappas, Maria L; Broufas, Georgios D; Koveos, Dimitris S ... Key words. Chrysopidae, Dichochrysa prasina, Tetranychus urticae, temperature, alternative prey, lacewings Abstract. The predatory lacewing Dichochrysa prasina Burmeister can feed and reproduce on various aphid species. However, other species such as the two spotted spider mite ...
Susceptibility of endemic and exotic North American ladybirds (Coleoptera: Coccinellidae) to endemic fungal entomopathogens
Jul 01, 2008; Cottrell, Ted E; Shapiro-Ilan, David I ... Key words. Coccinellidae, Beauveria bassiana, Olla v-nigrum, Coleomegilla maculata, Hippodamia convergens, Cycloneda munda, Harmonia axyridis, Coccinella septempunctata, entomopathogen, endemic Abstract. We tested the laboratory susceptibility of four endemic and two exotic species of ...
Agricultural policy-induced landscape changes: effects on carabid abundance and their biocontrol potential
Jul 01, 2008; Ameixa, Olga; Kindlmann, Pavel ... Key words. Agricultural intensification, biocontrol, density, diversity, species richness, food webs, predatory pressure Abstract. One of the most important services provided by biodiversity is thought to be the biological control of pests in agricultural landscapes, including aphids on ...
Plant chemistry and aphid parasitoids (Hymenoptera: Braconidae): Imprinting and memory
Jul 01, 2008; van Emden, Helmut F; Storeck, Andrew P; Douloumpaka, Sophia; Eleftherianos, Ioannis; Poppy, Guy M; Powell, Wilf ... Key words. Braconidae, aphid parasitoid, Aphidius colemani, imprinting, memory, secondary compounds Abstract. Emerging parasitoids of aphids encounter secondary plant chemistry from cues left by the mother parasitoid at oviposition and from the plant-feeding of the host aphid. In ...
The effect of the quality and size of host aphid species on the biological characteristics of Aphidius colemani (Hymenoptera: Braconidae: Aphidiinae)
Jul 01, 2008; Sampaio, Marcus Vinicius; Bueno, Vanda Helena Paes; De Conti, Bruno Freitas ... Key words. Aphidius colemani, Aphis gossypii, Aphidiidae, Aphidiinae, Braconidae, Brevicoryne brassicae, fitness, host quality, Myzus persicae, parasitoid, Rhopalosiphum maidis, Schizaphis graminum Abstract. A suitable host provides, at least, the minimum nutritional and physiological ...
The parasitoid Praon volucre (Hymenoptera: Braconidae: Aphidiinae) as a potential biological control agent of the aphid Uroleucon ambrosiae (Hemiptera: Aphididae) on lettuce in Brazil
Jul 01, 2008; De Conti, Bruno Freitas; Bueno, Vanda Helena Paes; Sampaio, Marcus Vinicius ... Key words. Biological control, host quality, host size, development, aphid, Uroleucon ambrosiae, Macrosiphum euphorbiae, parasitoid, Praon volucre, Lactuca sativa Abstract. The aphid Uroleucon ambrosiae (Thomas) is one of the principal pests found on greenhouse lettuce crops, and there ...
ERRATUM
Jul 01, 2008; Anonymous ... In our recent publication: LAU T.F.S., GROSS E.M. & MEYER-ROCHOW V.B. 2007: Sexual dimorphism and light/dark adaptation in the compound eyes of male and female Acentria ephemerella (Lepidoptera: Pyraloidea: Crambidae). Eur. J. Entomol. 104: 459-470. the ...
Cereal aphids (Hemiptera: Aphidoidea) in Serbia: Seasonal dynamics and natural enemies
Jul 01, 2008; Tomanovic, Zeljko; Kavallieratos, Nickolas G; Starý, Petr; Petrovic-Obradovic, Olivera; Athanassiou, Christos G; Stanisavljevic, Ljubisa Z ... Key words. Cereal aphids, parasitoids, predators, seasonal dynamics, Serbia Abstract. During 1989-2006 the number of live aphid, mummies, aphid specialist predators and their parasitoids in cereal fields in Serbia were recorded. S. avenae and M. dirhodum were the most common, both on ...