Aphidius ervi
Effect of Temperature on the Developmental Rate, Longevity and Parasitism of Aphidius ervi Haliday (Hymenoptera: Aphidiidae)
... We observed different lower developmental thresholds for egg-mummy and mummy-adult development. Sigsgaard (2000) and Deng and Tsai (1998) reported similar differences of low- er thresholds for egg-mummy, mummy-adult and ...
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The functional response of Aphidius ervi (Haliday)(Hym.: Braconidae, Aphidiinae) to different densities of Sitobion avenae (Fabricius)(Hom.: Aphididae) on two wheat cultivars
... Densities 2, 4, 7, 14, 28, 32, 42, 56 of Sitobion avenae were used for investigating Aphidius ervi functional response. The aphids were obtained from parthenogenetic stocks which had grown on 2 wheat ...
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Learning is involved in the response of parasitic wasps Aphidius ervi (Haliday) (Hymenoptera: Braconidae) to volatiles from a broad bean plant, Vicia faba (Fabaceae), infested by aphids Acyrthosiphon pisum (Harris) (Homoptera: Aphididae)
... Aphidius ervi is a solitary endoparasitoid occur- ring across Eurasia (Marsh, ...A. ervi is limited to north- ern areas and the recorded host species are ...
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Reproductive behaviour of Aphidius ervi Haliday (Hymenoptera: Aphidiidae : a thesis presented in partial fulfi[l]ment of the requirements for the degree of Doctor of Philosophy in Plant Science (Entomology) at Massey University, Palmerston North, New Zealand
... A. ervi males have more sperm supply during mating (Section ...A. ervi, however, mating does not increase females’ fecundity and longevity, and females do not obtain a nutritional contribution from males ...
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Determinants of Variation in the Response of the Aphid Parasitoid Aphidius ervi to Aphid Sex Pheromones
... Conducting behavioural experiments, the searching behaviour of females was investigated in the presence and the absence of the aphid sex pheromone (4GS,7S,7a/?)-nepetalactone, observin[r] ...
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Interactions between aphids, their insect and fungal natural enemies and the host plant
... Figure 6.6 Mean number of Acyrthosiphon pisum recovered after 8 days from cages containing either a single aphid natural enemy (Pandora.. neoaphidis, Aphidius ervi or Coccinella septempu[r] ...
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Response of Aphidius colemani to aphid sex pheromone varies depending on plant synergy and prior experience
... altered by the presence of nepetalactone (Powell, 2004). Although the compounds are detected by asexual aphids (Fernandez-Grandon et al., 2013), there is no evidence that it would alter their behaviour or population ...
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Review of Interactions Between Host Plants, Aphids, Primary Parasitoids and Hyperparasitoids in Vegetable and Cereal Ecosystems in Slovenia
... Aphids represent very important group of plant pests with high reproductive potential through parthenogenesis and viviparity (Agarwala and Das, 2012). They are causing direct (sucking) and indirect (transmission of ...
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Fitness Effects of Food Resources on the Polyphagous Aphid Parasitoid, Aphidius colemani Viereck (Hymenoptera: Braconidae: Aphidiinae).
... and reported no difference in the longevity of Aphidius ervi Haliday (Hymentoptera: Braconi- dae: Aphidiinae) when fed on potato honeydew generated by M. persicae. The sugar profile of M. persciae potato ...
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Combining lacewings and parasitoids for biological control of foxglove aphids in sweet pepper
... parasitoid Aphidius ervi Haliday, and the predatory brown lacewing Micromus variegatus (Fabricius), on their shared prey, the foxglove aphid, Aulacorthum solani (Kaltenbach), on sweet ...
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Valentia Observatory : a history of the early years (1868 1937)
... pe ial weather telegram were also dispatchcd ro variou European meteorological ervi cs and to some London daily papers.. The fact that thi schedule was c mpleted.[r] ...
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Responses of aphid parasitoids to aphid sex pheromones: laboratory and field studies
... Figure 6.9 Total numbers of Praon and Aphidius mummies recorded from pheromone and control winter wheat plots in 1996 field trial... Figure 6.10 Percentage parasitisation in wint[r] ...
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Evaluation of the Aphidius colemani-Rhopalosiphum padi banker plant system in greenhouse biological control
... feeding. Aphidius colemani wasps were cooled slightly for two minutes to slow activity, then five adult parasitoids aged 24 to 48 h were transferred to each Petri dish and ...dish. Aphidius colemani adults ...
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The effect of the aphid sex pheromone on the aphid Myzus persicae and its parasitoid Aphidius colemani
... of Aphidius colemani to Nepeta cataria essential oil, but not the isolated nepetalactone ...of Aphidius rhopalosiphi and Praon Volucre suggested that the foraging response of the two may be altered by the ...
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EFFECT OF HIGH CALCIUM AND PHOSPHORUS ON THE GROWTH AND DEVELOPMENT OF METOPOLOPHIUM DIRHODUM AND ITS PARASITOID APHIDIUS RHOPALOSIPHI
... ABSTRACT: Glasshouse studies were conducted to ascertain the effects of nutrient solutions of calcium and phosphorus on the growth and development of rose grain aphid, Metopolophium dirhodum (Walker) and its parasitoid ...
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Morphological and Molecular Methods in Identification of Aphidius transcaspicus Telenga (Hym: Braconidae: Aphidiinae) Parasitoid of Hyalopterus spp. (Hom: Aphididae) with Additional Data on Aphidiinae Phylogeny
... of Aphidius and Lysiphlebus formed a monophyletic group. Strains of Aphidius colemani and Aphidius transcaspicus were more closely related to each other than Lysiphlebus ...Within Aphidius, ...
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L anguage A CCESS S ERVICES TRANSLATE TO HIGH QUALITY HEALTH CARE FI N D I N G S FRO M I NT ERVI EW S ON LANGUAGE SERV ICES IN KENTU CKY
... These findings and current research indicate that for large health care settings like hospitals, or those that care for a high proportion of patients who are learning English, languag[r] ...
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Reproductive efficiency in town supply dairy herds in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Philosophy in Veterinary Science at Massey University
... Th e p ar ame ters measured were calving interval , calving to firs t service in t e rva l , firs t s e rvice to concep ti on interval , days open , inter-s e rvi ce in terval , c alving rate to firs t s ervi c e ...
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EGG WHITE ALBUMIN FORM COMPLEX WITH ASPIRIN AND CAFFEINE AND ITS ROLE AS FREE RADICAL SCAVENGER
... TX 1~AT/TX 2~AT Vol 11, Issue 7, 2018 Online 2455 3891 Print 0974 2441 EGG WHITE ALBUMIN FORM COMPLEX WITH ASPIRIN AND CAFFEINE AND ITS ROLE AS FREE RADICAL SCAVENGER GATRA ERVI JAYANTI1, SRI WIDYARTI[.] ...
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An investigation of ecological relationships : experimental studies of the interactions between the sowthistle aphid, Hyperomyzus lactucae and its parasite, Aphidius sonchi
... lactucae in South-Eastern Australia 258 16.2 Temperature Relationships: Effect of Constant and Fluctuating Temperatures on the Development of Insects 261 APPENDIX 1, Effects of Crowding [r] ...
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