Insects present a specific extraction challenge: small tissue volumes, chitinous exoskeletons, and the practical reality that fieldwork generates large numbers of individual specimens that need processing quickly and reliably.

Three independent published studies, referenced on the Exymes resources page, demonstrate the chemistry in insect applications.

First, the Anopheles funestus population structure study (Parasites & Vectors, 2020) used prepGEM Insect for genomic DNA extraction from individual mosquito legs, a 1mm tissue sample, for microsatellite genotyping across populations in Uganda, Malawi, Mozambique, Zambia, and Zimbabwe.

Read the paper

Second, malaria vector monitoring in Tanzania used the same extraction approach for Anopheles gambiae sibling species identification by TaqMan SNP genotyping which is a workflow requiring clean, inhibitor-free genomic DNA from individual insects.

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Third, the Pacific fruit fly (Bactrocera xanthodes) detection work used prepGEM extraction from insect material for species identification by DNA barcoding that is relevant to biosecurity and quarantine programmes in the Pacific.

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The pattern across all three applications is the same: individual insects, small tissue volumes, high throughput requirements, and a need for extraction that is fast enough and reliable enough to be used in field-adjacent settings. A 15-minute single-tube protocol that does not require centrifugation or column purification fits that profile.