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Seasonal Migration of Apolygus Lucorum (Meyer-D(?)r) and Adelphocoris Suturalis Jakovlev (Hemiptera: Miridae) Among Host Plants and Their Predatory Natural Enemies

Author: SongGuoJing
Tutor: LiHaiPing；FengHongQiang
School: Inner Mongolia Agricultural University
Course: Agricultural Entomology and Pest Control
Keywords: Lucorum In black mirid Host Transfer Overwintering host Predatory enemies
CLC: S435.62
Type: Master's thesis
Year: 2011
Downloads: 75
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Abstract


Lygus the Pentatomidae (Apolygus lucorum (Meyer-Dür)), black Miridae (Adelphocoris suturalis Jakovlev) are polyphagous insects breed in a variety of host plants on infestation, lack of effective control of natural enemies in the cotton fields of North China two important pests of cotton-growing areas at this stage, a large area in Henan, Hebei, Shandong and other places in recent years, the outbreak caused a great threat to cotton production. Clear the two mirid field natural migration, seasonal transfer rule between different host plants, overwintering host plant species and Natural Enemies basis for effective monitoring the two mirid population dynamics and ecological regulation. In this paper, the trace element rubidium (Rb, RbCl form) mark-recapture method, the air sticky trajectory model HYSPLIT air power forward lucorum and black Miridae natural migration, seasonal host transfer rule, as well as two The Natural Enemies bugs preliminary study. The main results are as follows: 2000 ppm RbCl solution sprayed lucorum and black Miridae their host plants, can effectively mark two Miridae its host plant. Rb Miridae body trap 6 - 7d, stranded at least 10d host plants. And the two mirid life activities and flight ability no significant impact, is ideal marker concentration. Mark recapture test the spring two Miridae transferred to the cotton fields by wintering sites. The two cotton bugs have a strong migration in Nanyang, Henan. The lucorum 2d can migrate 2560m (test distance farthest recapture), in black Miridae 6d migrate 5120m (test distance farthest recapture). Mark recapture test the Fall Two Blind Pentatomidae transferred from the cotton fields to weed wintering. Lucorum of Henan Yuanyang week migration to 2560m (test distance farthest recapture) outside the winter. Lucorum overwintering host for the mugwort and Humulus. Use balloon-borne air sticky board caught in the 60m and 200m air lucorum showed that the lucorum possible long-range high-altitude wind load migratory. HYSPLIT airflow power forward the different heights lucorum flight trajectory model to simulate high altitude track, 10h Flight 80 - 190 km. Field two kinds Miridae predatory enemies: Hatch Crab spider P. subpiraticus, Misumenops japonica, Saga Crab spider, Tokyo sulcus tumors spider singular Theridiidae, pseudo-bud tube nest spider. Four kinds of dominant populations.

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CLC: > Agricultural Sciences > Plant Protection > Pest and Disease Control > Crop pests and diseases and their prevention > Economic crop pests and diseases > Fiber crop pests and diseases > Cotton pests and diseases
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