Semiochemicals of Eurytoma amygdali, the Almond seed wasp. Phylum: Arthropoda. Subphylum: Uniramia. Class: Insecta. Order: Hymenoptera. Family. Tissue Cell. Aug;26(4) The eggshell of the almond wasp Eurytoma amygdali (Hymenoptera, Eurytomidae) – 1. Morphogenesis and fine structure of. Adult, Eurytoma amygdali (almond fruit wasp); natural enemy and pest. A female wasp withdraws its ovipositor from an almond. (photographed under controlled.
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Insecta, HolometabolaHymenopteraEurytomidae. The larvae mostly attack fruits of soft shells, or of late-flowering varieties, whereas fruits of bitter varieties do not seem amygdsli be preferred.
Infested almonds of certain varieties drop shortly after pest attack, and the losses from such drop may exceed losses from mummified fruit.
The body of the wasp is dark brown, about 7 mm in length, and the wings are almost transparent with a small dark spot. The larva is white with a very small, sunken brown head, body up to 4 mm long. The pest is univoltine and requires one or more years to complete development.
Eurytoma amygdali – Wikipedia
In autumn it enters winter diapauseinduced by falling temperatures, remaining within the seed and pupating there. In spring the emerging and immediately-mated females place one or euryoma eggs on the developing almond, the larger fruits being preferred.
A female may oviposit around 25 eggs, mostly during mid-day and live for about 13 days.
Adult emergence is monitored with sex pheromone traps, or by placing cages that contain living virgin females. Emergence can also be followed by collecting infested black almonds from the previous year off the trees, maintaining them in cages and noting the emerging adults. Certain almond varieties appear to be resistant to the pest. Chemicals to control the adults should be applied to susceptible varieties about weeks after the beginning of male captures in the pheromone traps.
Neonicotinoids are also in current use. Several hymenopterous and one acarine parasitoids attacked E.
Damage of almond seed wasp, Eurytoma amygdali Enderlein (Eurytomidae, Hymenoptera) near Budapest
Almond seed wasp Hymenoptera: Bulletin of Entomological Research Natural enemy complex of Eurytoma amygdali Enderlein, Hymenoptera, Eurytomidae in Eastern Mediterranean region of Turkey; notes eurytoka their interaction and effectiveness.
Research Journal of Agriculture and Biological Sciences 2: Biological and ecological studies of almond fruit wasp, Eurytoma amygdali End. Eurytomidae at Homs Governorate Syria.
Jordan Journal of Agricultural Sciences 4: Monitoring populations of the almond seed wasp, Eurytoma amygdaliwith sex pheromone traps and other means, and optimal timing of chemical control Entomologia Experimentalis et Applicata Annals of the Entomological Society of America maygdali On the biology of the adult of the almond wasp, Eurytoma amygdali End.
Integrated control of almond pests. Premature fruit drop caused by Eurytoma amygdali Hymenoptera: Eurytomidae on three almond varieties.
Journal of Economic Entomology Eurytoma amygdali Enderlein Taxonomic placing: