Distribution and migration of insects and mites in flat storage containing wheat

Athanassiou, Christos G.; vos, N. E. Paly; Eliopoulos, Panagiotis A.; Papadoulis, Georgios Th.

doi:10.1007/bf02981856

Cited by 37 publications

(16 citation statements)

References 21 publications

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“…insects), information about mites is still inadequate. Previous studies in Greece have indicated that mites were dominant in raw stored grains during the entire year (Athanassiou et al 2001(Athanassiou et al , 2003Palyvos and Emmanouel 2006). The objective of our present investigation was to study the composition of the mite species occurring in diVerent types of storage facilities, in the framework of a large-scale survey in Greece.…”

Section: Introductionmentioning

confidence: 99%

Mites associated with stored products in Greece

2008

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A faunistic survey of mites was conducted in many product stores during a 6-year study period, 2000-2005, in Greece. A total of 1,073 samples were taken from 34 Greek counties. The survey was carried out on grains (wheat, maize, oat, barley), flour, bran, manufactured agricultural foodstuffs, dried fruits (figs, raisins), residues and dust, stored in varying quantities in five types of storage facilities (stores of agricultural cooperative unions, farm stores, commercial stores, flour mills and silos). Dominance-frequency analysis and redundancy analysis (RDA) were used to reveal the preferences of the collected taxa. Approximately 55% of the samples contained mites and 65 mite taxa were identified, belonging to 15 families in four orders. Six species, namely, Acarus gracilis Hughes, A. immobilis Griffiths, Caloglyphus oudemansi (Zachvatkin), Suidasia medanensis Oudemans, Tyrophagus perniciosus Zachvatkin and Kleemania plumigera (Oudemans), were new to the fauna of Greece. Five species, Tyrophagus similis Volgin, Blattisocius mali (Oudemans), Neoseiulus barkeri (Hughes), Cheyletus cacahuamilpensis Baker and Storchia robustus (Berlese), were recorded for the first time in stored products in Greece. Lepidoglyphus destructor (Schrank), Tyrophagus putrescentiae (Schrank) and Acarus siro L. were dominant or intermediate in all storage facilities examined. Cheyletus malaccensis Oudemans was the most common predatory mite. The highest percentage of infestation (65.3) was recorded in the samples from stores of agricultural cooperative unions. Residue-type materials had the highest degrees and percentages of infestation.

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Section: Introductionmentioning

confidence: 99%

Mites associated with stored products in Greece

2008

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“…In the laboratory we studied at 12 different temperatures the population growth and developmental thresholds of Acarus siro L, Aleuroglyphus ovatus (Troupeau) and Tyrophagus putrescentiae (Schrank) (Acari: Acarididae), the three most abundant mite species in grain stores (Zdarkova et al 1985;Athanassiou et al 2001Athanassiou et al , 2003. The laboratory data were collected with the incentive to simulate population growth and seasonal pest-risk of the mite species in the Czech granaries using the temperature records from grain stores.…”

Section: Introductionmentioning

confidence: 99%

Temperature-dependent population growth of three species of stored product mites (Acari: Acaridida)

et al. 2007

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The pest potential of stored product mites depends on the reproduction rate that is affected by the environmental conditions. In this study we investigated the effect of temperature, ranging from 5 to 35 degrees C, on the population growth of three important mite species, Acarus siro, Tyrophagus putrescentiae and Auleroglyphus ovatus at 85% r.h. Starting with 10 individuals the population increase of mites was observed after 3 weeks of cultivation, or after 6 weeks for those kept at low temperatures (5, 10, 12.5, and 15 degrees C). The rate of increase was calculated for each temperature and species. The obtained data were fitted with polynomial models. The mite population growth rates increased with increasing moderate temperatures until 25 degrees C, when r ( m )-values were 0.179, 0.177 and 0.190 for A. siro, A. ovatus and T. putrescentiae, respectively. The lower development threshold was 10.2 degrees C in all three species. Estimated upper temperature threshold was higher in T. putrescentiae (49 degrees C) than in A. siro and A. ovatus (38 degrees C). Simulation of the rate of population increase under ideal conditions, using real temperature records obtained from Czech grain stores, showed that the pest mite populations increase only during 3.5 months within a typical 9-month storage season in Central Europe. These results indicate that control of mites, be it chemical, physical or biological, is recommended during the months when allergens and pests are produced, i.e. from September to mid November and in May.

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“…One of the reasons for this low acceptance is the complex information that has been presented on using the trap and interpreting the trap catch. Practitioners are overloaded by the scientific documentation that the stored-product beetle trapping pitfall traps efficiency is differentially influenced by the complex interplay of many factors, such as the type of trap (Cuperus et al 1990), pest species (Athanassiou et al 2001), physical condition, trap duration, type of food, etc. (Cogan & Wakefield 1994;Stejskal 1995;Trematerra 1998).…”

Section: Discussionmentioning

confidence: 99%

Trapping of internal and external feeding stored grain beetle pests with two types of pitfall traps: a two-year field study

Aulický¹,

Stejskal²,

Kučerová³

et al. 2016

Plant Prot. Sci.

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Aulicky R., Stejskal V., Kucerova Z., Trematerra P. (2016): Trapping of internal and external feeding stored grain beetle pests with two types of pitfall traps: a two-year field study. Plant Protect. Sci., 52: 45-53.Pitfall trapping studies are available for particular stored grain pest species. In small farms, the stored grain pest control strategy is rarely species-specific but is often "pest ecological-group-specific" instead. A two-year field study was conducted in flat grain stores to compare the efficacy of cone-surface (PC trap; AgriSense-BCS Ltd., Pontypridd, UK) and probe-subsurface (WB Probe II Trap; Trécé Inc., Adair, USA) traps for three ecological insect pest groups (Group I, internal feeding primary pests; Group II, external feeding primary pests; Group III, external feeding secondary pests). Altogether, 1328 specimens (32% Group I, 11% Group II, and 57% Group III) in 12 species of Coleoptera (17% Group I, 25% Group II, and 58% Group III) were trapped. No significant differences were found in the efficacy of PC traps and WB Probe II Traps to catch the evaluated ecological pest groups over the long term. Our study indicated that for trends to appear in long-term trapping there was no need for the simultaneous use of both traps due to the low trapping differences between the surface and subsurface types of traps in all ecological pest groups. However, significant differences between the traps were found in the short-term evaluations and before and after fumigation; in that case, the use of both traps is recommended because of the higher sensitivity and more precise evaluation of efficacy of the control treatment effects.

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Distribution and migration of insects and mites in flat storage containing wheat

Cited by 37 publications

References 21 publications

Mites associated with stored products in Greece

Mites associated with stored products in Greece

Temperature-dependent population growth of three species of stored product mites (Acari: Acaridida)

Trapping of internal and external feeding stored grain beetle pests with two types of pitfall traps: a two-year field study

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