Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 2 of 2 for “"Heringia calcarata"”.

  1. Ecological and logistical considerations toward introducing Heringia calcarata to New Zealand

    … Food Research New Zealand (PFRNZ) to introduce Heringia calcarata (Loew) (Diptera: Syrphidae) to New Zealand (NZ) for biological control of woolly apple aphid (WAA), Eriosoma lanigerum (Hausmann) (Hemiptera: Aphididae). Ultimately, the introduction of H. calcarata to New Zealand will be …

    vt Repository record for Ecological and logistical considerations toward introducing Heringia calcarata to New Zealand (opens in a new tab)

  2. Inaugural studies of the life history and predator/prey associations of Heringia calcarata (Loew)(Diptera: Syrphidae), a specialist predator of the woolly apple aphid, Eriosoma lanigerum (Hausmann)(Homoptera: Eriosomatidae)

    … life history of the aphidophagous syrphid fly, Heringia calcarata (Loew), a specialist predator of woolly apple aphid, Eriosoma lanigerum (Hausmann), was studied in Virginia from 2001 to 2003, under field and laboratory conditions. Pronounced differences in the chorionic sculpting of eggs of …

    vt Repository record for Inaugural studies of the life history and predator/prey associations of Heringia calcarata (Loew)(Diptera: Syrphidae), a specialist predator of the woolly apple aphid, Eriosoma lanigerum (Hausmann)(Homoptera: Eriosomatidae) (opens in a new tab)