An agricultural field in southeastern Colorado grown under drip irrigation in 2014 allowed for observations related to the life history of immature stages of the asilid Diogmites angustipennis Loew. A survey of holes in the soil surface made during recent pupal eclosion provided an estimate that approximately 6,670 D. angustipennis/hectare had recently emerged at the site. The field had been in furrow irrigated field corn the previous three seasons indicating that larval stages of this species can develop sizable populations within cultivated fields. Larval prey were not observed, but the most abundant potential prey in this site would have been immature stages of diabroticine beetles.
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8 January 2020
Observations on Development of Diogmites angustipennis Loew (Diptera: Asilidae) in a Cultivated Field
Whitney Cranshaw,
Peter Forrence,
Boris Kondratieff
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