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Peculiarities of biology of the sunn pest Eurygaster integriceps Put. (Heteroptera, Scutelleridae) on irrigated lands in the south of the steppe zone of the Ukraine



Peculiarities of biology of the sunn pest Eurygaster integriceps Put. (Heteroptera, Scutelleridae) on irrigated lands in the south of the steppe zone of the Ukraine



Entomologicheskoe Obozrenie, 612: 235-238



Development features of E. integriceps on irrigated winter wheat sowings should be considered when predicting its propagation. Prognostic indices include not only the total number on sowings, but the number of larvae which have developed wings in the period of complete ripeness of grain. The extent of the effect of irrigation on the development and propagation of E. integriceps was determined by weather conditions in the spring-summer period. In a warm, dry spring, over-wintering bugs populate irrigated sowings of winter wheat in greater numbers and fertility of females is higher. In rainy, cool weather in the 2nd half of the vegetation period, the transition from the larval stage in E. integriceps was accelerated and most larvae developed wings at the period of complete ripeness of grain.

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Accession: 021534044

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Related references

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