Modern Stored-Product Insect Pest Management

Abstract

Stored-product entomologists have a variety of new monitoring, decision-making, biological, chemical, and physical pest management tools available to them. Two types of stored-product insect populations are of interest: insects of immediate economic importance infesting commodities, and insects that live in food residues in equipment and facilities. The sampling and control methods change as grain and grain products move from field to consumer. There are also some changes in the major insect pest species to take into consideration. In this review, we list the primary insect pests at each point of the marketing system, and indicate which sampling methods and control strategies are most appropriate. Economic thresholds for insect infestation levels developed for raw commodity storage, processing plants, and retail business allow sampling-based pest management to be done before insect infestations cause economic injury. Taking enough samples to have a representative sample (20-30 samples) will generally provide enough information to classify a population as above or below an economic threshold.

A comprehensive review on advances in storage pest management: Current scenario and future prospects

“…Since insects are active and passive fliers, preventive management methods are needed to avoid the source of infestation. Several researchers have highlighted the effective preventive management strategies (Hagstrum and Flinn, 2014;Mohapatra et al, 2015;Hagstrum and Phillips, 2017); ample literature is available on how to take care of harvested produce agro-climatic region-wise, in the initial phase. Preventative measures manage the insect buildup in two ways: managing insects immigrating to stored commodity and the insects emerging within the commodities due to pre-infestation (Stejskal, 2015).…”

Improving Stored Product Insect Pest Management: From Theory to Practice

“…When the population is close to an economic threshold (ET), many samples are required to determine whether density is above or below ET and sampling again later is generally recommended, but when density is close to ET, control might be just as appropriate. ET has been determined for eight insect species that infest raw commodity storages, processing plants, or retail businesses [2,10]. The thresholds for traps were higher than were those for commodity samples and lower for processed commodities than for raw commodities.…”

Efficacy of PVC coated fabric bag for on-farm storage of wheat (Triticum aestivum)

“…Insect density: Samples (2 kg each) were sieved to extract the adult insects and the extracted insects were counted. This method is valid only for the external infestation (Hagstrum and Flinn 2014).…”