HAPLOTHRIPS TRITICI PDF

Haplothrips tritici (Kurdjumov) (Bournier A. / ENSA Montpellier) Adults Still in ear of wheat.. Haplothrips tritici (Kurdjumov) (Coutin R. / OPIE) pupa Overwintering. The leaves of wheat are sucked by H. tritici adults, causing streaks. The ripening seeds of wheat are sucked by H. tritici nymphs, leaving brown spots caused by. PDF | The wheat thrips, Haplothrips tritici, is known from across eastern Europe and adjoining areas of Asia into western Europe and north.

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wheat thrips (Haplothrips tritici)

Allocation of wheat thrips Haplothrips tritici Kurd. Flying adults migrate by way of air streams at heights of 1. The results indicated that the danger from nymphs was not very high, though it was increased in the dry season of Females lay their eggs in small groups containing eggs each or, less frequently, one at a time, on the interior sides of ear scales and ear shank.

During the pest outbreaks the larva density on sowing can reach and more individuals per ear Tanskii, Volodichev reviewed the harmfulness of H. Go to distribution map The leaves of wheat are sucked by H.

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Haplothrips (Haplothrips) tritici

In central Anatolia, Turkey, H. Class Insecta, order Thysanoptera, suborder Tubulifera, family Phloethripidae, tribe Haplothripini, genus Haplothrips. Chemical Control Control of H. A threshold of 80 individuals per ear was established for spring wheat and this was seldom exceeded.

African Journal of Biotechnology

The nymphs and adults damaged the leaf-sheaths, ears and grains of wheat Tunc, Minaei and Mound indicated that they considered the records of cerealis from Iran to be based on misidentifications of triticibut they suggested that further studies were required to determine if there is any evidence that these names haplothgips different species in other countries.

Features of biology, ecology and harmfullness of wheat thrips, Haplothrips tritici Kurd. In Russian Shurovenkov Yu. The problems arise because the published descriptions of, and comparisons between, the two species are confusing and sometimes contradictory.

Most were found on winter wheat, with spring wheat, spring barley and winter barley less infested Zuranska et al. Polskie Pismo Entomologie31, 51— Knowledge Bank home Change location.

The examination was done at the end of the milk stage or the beginning of the wax-ripe stage of spring wheat. Die Tierwelt Deutschlands66, 1— In Russian Zhichkina L. If you would like to, you can learn more about the cookies we use. Biological Control The effect of natural enemies on field populations of H. In Russian Tanskii V.

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Email this article Login required. Adults appear at the beginning of ear formation of winter cereals, usually in May-June. Wheat thrips in regions of developing virgin and long-fallow lands in North Kazakhstan. Ears with a close structure, having little space between the scales, were less heavily infested than ears with a more open structure Shurovenkov and Mikhailova, Chemical treatment might be envisaged in some cases, but never later than the period of milky ripeness Kamechenko, Dry and warm weather during ear emergence and flowering of wheat the period of egg-laying and the beginning of larva feeding promotes increased insect survival; prolonged air drought and cool rainy weather are both unfavorable for insect development.

According to data obtained by Tanskii the loss in weight with a very mild infestation amounted to 5. Publications de la Institut Desert Egypte13, 1— In Russian Fisechko R.