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  • Hymenoptera  (12)
  • Springer  (12)
  • Cell Press
  • PANGAEA
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of insect behavior 1 (1988), S. 379-386 
    ISSN: 1572-8889
    Keywords: cannibalism ; caste ; development ; Mischocyttarus ; Hymenoptera ; larva ; nourishment ; saliva ; trophallaxis ; Vespidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
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  • 2
    ISSN: 1572-8889
    Keywords: Hymenoptera ; Braconidae ; Microplitis croceipes ; cotton ; cowpea ; parasitoid ; host location ; kairomones ; olfaction ; induced plant responses ; learning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A study was conducted to determine the primary source of volatile cues within the plant-host complex used by hostseeking freeflying female Microplitis cro-ceipesCresson in flight tunnel bioassays. In single-source and two-choice tests, using wasps given an oviposition experience on either cotton (Gossypium hirsutum)or cowpea (Vigna unguiculata)seedlings damaged by corn earworm (CEW; Helicoverpa zeaBoddie), the damaged seedlings were significantly more attractive than the CEW frass, which was in turn more attractive than the larvae themselves. In a series of two-choice wind-tunnel tests, the discriminatory ability of the wasps was examined, following various oviposition experiences. Significantly more wasps flew to plants with “old” damage than to plants with “fresh” damage, regardless of whether they had experience on fresh or old damage. In a comparison of plant species, wasps with only one experience on either hostdamaged cotton or host-damaged cowpea were unable to distinguish between them, and showed no preference for either plant, whereas wasps with multiple experiences on a particular plant preferentially flew to that plant in the choice test. In comparing hosts with nonhosts, wasps successfully learned to distinguish CEW from beet armyworm (BAW; Spodoptera exigua)on cotton but were unable to distinguish CEW from either BAW or cabbage looper (Trichoplusia ni)on cowpea. The results show the important role played by plant volatiles in the location of hosts by M. croceipesand indicate the wasps’ limitations in discriminating among the various odors. The ecological advantages and disadvantages of this behavior are discussed.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Entomologia experimentalis et applicata 46 (1988), S. 173-180 
    ISSN: 1570-7458
    Keywords: Edovum puttleri ; Eulophidae ; Hymenoptera ; Leptinotarsa decemlineata ; host habitat conditioning ; parasitism ; host preference ; biological control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé L'oophage, E. puttleri a été élevé à partir des oeufs de Leptinotarsa decemlineata et L. texana. Il a été mis en expérience sur l'une des 3 plantes consommées par L. decemlineata: Solanum tuberosum tuberosum, S. melongena et Lycopersicon esculentum. Des expériences de choix ont permis de déterminer ses préférences pour les différentes catégories d'oeufs. Le choix de l'oophage est influencé par l'espèce de Leptinotarsa sur laquelle il a été élevé. E. puttleri élevé sur oeufs de L. decemlineata récoltés sur un mélange des 3 solanées, et mis en présence d'un choix de groupes d'oeufs provenant de ces 3 plantes, a parasité préférentiellement les oeufs récoltés sur S. t. tuberosum; élevé à partir d'oeufs de L. texana récoltés sur S. elaeagnifolium, et mis en présence d'un mélange de pontes des 3 solanées, il a préféré parasiter les oeufs provenant de L. esculentum. Son choix a été influencé aussi par la plante qui l'avait conditionné. E. puttleri, élevé à partir de L. texana et mis en expérience sur des pontes provenant de S. t. tuberosum a préféré pondre sur les oeufs provenant de cette solanée. De même, élevé à partir d'oeufs de L. decemlineata pondus sur S. t. tuberosum, il a préféré pondre sur les oeufs provenant de cette plante. Cependant, les oophages élevés à partir d'oeufs de L. decemlineata provenant de L. esculentum, et mis en présence de pontes provenant de L. esculentum, n'ont pas préféré significativement ces oeufs au détriment de ceux provenant des autres solanées, bien que les pontes récoltées sur L. esculentum aient été parasitées plus fréquemment quand 2 des 3 pontes (une de chaque plante) avaient été sondées ou parasitées. Le parasitisme à l'intérieur d'une ponte (nombre d'oeufs de la ponte parasités, sondés, etc) ne varie pas significativement avec la solanée d'origine. La discussion a porté sur les conséquences de ces observations sur l'écologie de l'oophage et sur la lutte biologique contre L. decemlineata.
    Notes: Abstract The egg parasitoid, Edovum puttleri Grissell, was cultured from eggs of two Leptinotarsa hosts, L. decemlineata (Say) and L. texana Schaeffer, and experienced on eggs from three L. decemlineata food plants, namely potato, Solanum tuberosum tuberosum L., eggplant, S. melongena L., and tomato, Lycopersicon esculentum Mill. Host preference of the various cultures was determined using choice tests. parasitoid choices were influenced by the Leptinotarsa rearing host. Wasps, reared from L. decemlineata eggs from a mixture of all three food plants and experienced on egg masses from all three food plants, preferred to parasitize egg masses from potato. Wasps, reared from L. texana eggs from silver leaf nightshade, S. elaeagnifolium L., and experienced on egg masses from all three food plants, preferred to parasitize egg masses from tomato. Choices were also influenced by the herbivore's food plant that wasps were conditioned to. Wasps, reared from L. texana and experienced on egg masses from potato, preferred to parasitize egg masses from potato. Wasps, reared from L. decemlineata on potato and experienced on egg masses from potato, preferred to parasitize egg masses from potato. Wasps, reared from L. decemlineata on tomato and experienced on egg masses from tomato, did not display a distinct host preference. Within-egg mass parasitism (i.e., number of eggs per mass that were parasitized, probed, etc.) did not consistently differ among the three food plants. The implications of these data in parasitoid ecology and biological control programs for L. decemlineata are discussed.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 6 (1980), S. 883-893 
    ISSN: 1573-1561
    Keywords: Pachycondyla (= Termitopone) laevigata ; Hymenoptera ; Formicidae ; chemical communication ; termite predation ; pygidial gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Termite predation by the ponerine antPachycondyla (= Termitopone) laevigata is regulated by a recruitment trail pheromone which originates from the pygidial gland and not, as previously assumed, from the hindgut. The pygidial gland opens between the 6th and 7th abdominal terga and is associated with a distinct cuticular structure which obviously serves as a glandular applicator.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 12 (1986), S. 1295-1309 
    ISSN: 1573-1561
    Keywords: Defense ; allomone ; bees ; Hymenoptera ; Apoidea ; repellent ; Argiope ; Apiomerus ; Asilidae ; Diptera Formicidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Volatile lipids from the mandibular gland secretions of bees (Hymenoptera: Apoidea) are potent olfactory repellents of foraging ants (Formica, Crematogaster) in biologically relevant contexts and quantities. In contrast, differential success in capture of bee and fly prey by predatory asilid flies (Efferia), reduviid bugs (Apiomerus), and arachnids (Agelenopsis, Argiope) is better explained by prey size than by chemical repellence, aposematism, or possession of a sting. Supernormal doses of some allomones, applied to worker honeybees (Apis mellifera) that were fed toArgiope aurantia spiders, elicted more frequent preenvenomation pauses following ensnarement but did not significantly increase other prey-handling times. These pauses merely delayed the bee's demise. Mandibular gland secretions of solitary bees augment their other secondary defenses in at least two contexts: (1) during intranest encounters when repelling intruding ants, and (2) retaliation delivered to their arthropodan predators which, if the bee is nearly too large for the predator to handle, may allow the bee to escape.
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  • 6
    ISSN: 1573-1561
    Keywords: Hymenoptera ; Braconidae ; Cotesia marginiventris ; corn ; parasitoid ; host searching ; semiochemicals ; synomones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Volatiles released from corn seedlings on which beet armyworm larvae were feeding were attractive to females of the parasitoid,Cotesia marginiventris (Cresson), in flight tunnel bioassays. Analyses of the collected volatiles revealed the consistent presence of 11 compounds in significant amounts. They were: (Z)-3-hexenal, (E)-2-hexenal, (Z)-3-hexen-1-ol, (Z)- 3-hexen-1-yl acetate, linalool, (3E)-4,8-dimethyl-1,3,7-nonatriene, indole, α-trans-bergamotene, (E)-β-farnesene, (E)-nerolidol, and (3E,7E)-4,8,12-trimethyl-1, 3,7,ll-tridecatetraene. A synthetic blend of all 11 compounds was slightly less attractive to parasitoid females than an equivalent natural blend. However, preflight experience with the synthetic blend instead of experience with a regular plant-host complex significantly improved the response to the synthetic blend. Our results suggest thatC. marginiventris females, in their search for hosts, use a blend of airborne semiochemicals emitted by plants on which their hosts feed. The response to a particular odor blend dramatically increases after a parasitoid experiences it in association with contacting host by-products.
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  • 7
    ISSN: 1573-1561
    Keywords: Alfalfa seed chalcid ; Bruchophagus roddi ; Hymenoptera ; Eurytomidae ; alfalfa volatiles ; plant odors ; electroantennogram ; chemoreception ; olfaction ; kairomones ; host plant selection ; orientation ; oviposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The alfalfa seed chalcid (ASC),Bruchophagus roddi, is a monophagous pest of alfalfa that parasitizes developing seeds. To further understand the olfactory basis of host-plant recognition by ASCs, we recorded electroantennograms (EAGs) from females and males to 39 volatiles from both alfalfa and red clover. The chemoreceptive sensitivity of ASCs was selective for certain general classes of compounds, defined by their carbon-chain length (C6 and C8), structure (aliphatics and phenolics), isomerism, and/or functional group (acetates, ketones, and alcohols). The compounds that elicited the largest EAGs were ranked as follows: (Z)-3-hexenyl acetate 〉 hexyl acetate ≥ acetophenone ≥ octan-3-one ≥ methyl salicylate 〉 octan-3-ol 〉 oct-1-en-3-one 〉 oct-1-en-3-ol ≥ (E)-β-ocimene ≥ (Z)- and (E)-3-hexen-1-ols. Over half the test compounds elicited significantly different responses between the sexes, and female antennal responses exceeded those of males for twice the number of these volatiles. Relationships of the tested volatiles to host-plant composition, EAG responses, and ASC behaviors showed no consistent correlations. However, nearly all of the host-plant volatiles known to stimulate behavioral activity also elicited moderate to potent EAG responses.
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  • 8
    ISSN: 1573-1561
    Keywords: Holcopasites ; Calliopsis ; Nomadopsis ; Hymenoptera ; Anthophoridae ; Andrenidae ; cleptoparasite ; mandibular glands ; Dufour's gland ; cell lining ; 6-methyl-5-hepten-2-one ; geranyl acetone ; hydrocarbons ; neral ; geranial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The cephalic secretion of females of the cleptoparasitic beeHolcopasites calliopsidis contains two main volatiles, 6-methyl-5-hepten-2-one and geranyl acetone. The mandibular gland secretion of its host,Calliopsis andreniformis, on the other hand, contains the two isomeric forms of citral (neral and geranial). Neral and geranial are also produced by mandibular glands of two other species ofCalliopsis and one species in the related genusNomadopsis. The Dufour's gland ofC. andreniformis contains an oily secretion composed of hydrocarbons that are deposited on the brood cell walls and pollen balls providing a waterproof lining for both.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 10 (1984), S. 783-794 
    ISSN: 1573-1561
    Keywords: Pachycondyla obscuricornis ; Hymenoptera ; Formicidae ; chemical communication ; tandem running ; pygidial gland ; nest emigration behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Communication during tandem running inPachycondyla obscuricornis is chemically mediated by a pheromone produced in the pygidial gland, which is composed of a cluster of gland cells and an associated reservoir located beween the 6th and 7th tergites of the gaster. The secretion of the gland appears to be transferred to the hindlegs of a tandem pair leader by a series of self-grooming behaviors that occur prior to the formation of a tandem pair. During tandem running, the antennae of the following ant are kept in close contact with the leader's hindlegs and therefore with the chemical signal that provides a communicative bond between individuals.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 7 (1981), S. 1023-1033 
    ISSN: 1573-1561
    Keywords: Aneuretus simoni ; Hymenoptera ; Formicidae ; chemical communication ; sternal gland ; pygidial gland ; alarm pheromone ; trail pheromone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Trail and alarm communication inAneuretus simoni are mediated by the secretions of the sternal and pygidial glands, respectively. The sternal gland is composed of a glandular epithelium and an associated reservoir located in the 7th sternum. This gland produces a relatively long-lived mass recruitment pheromone. The pygidial gland opens between the 6th and 7th tergites and produces a secretion that releases aggressive alarm. The evolution of glandular physiology in the Aneuretinae and Dolichoderinae are discussed in view of these findings.
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