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white fly pupae

Trialeurodes vaporariorum

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26.2425, -80.2141

Field Notes

Description:

Are attached to the underside of the leaf and do not move. The end of the fourth instar is called a pupa. The pupal stage is the most important for determining whitefly species identification. Greenhouse whitefly pupae are oval and have vertical sides, giving the pupa a cakelike appearance from the side. Along the perimeter of the upper surface is a fringe of filaments and relatively large wax filaments project above the upper surface of the body. The greenhouse whitefly can complete one generation in 21 to 26 days at 81°F.

Notes:

Very large populations of whiteflies cause stunting of plant growth, and leaves may senesce and die.

Species ID Suggestions

Comments (4)
Peter S.Gillespie
Definitely whitefly pupae - Tetraleurodes sp. Not Trialeurodes vaporariorum nor Aleurocanthus sp.
John La Salle
Here are a couple of images for whitefly pupae. Many whitefly pupae are light coloured (yellowish); however, quite a few are black (often called blackfly). Note that the images below are from different hosts (and almost certainly different species). Here are some links to images of: citrus blackfly http://idtools.org/id/citrus/pests/factsheet.php?name=Citrus%20blackfly http://entnemdept.ufl.edu/creatures/citrus/orange_spiny_whitefly.htm Acacia whitefly http://guaminsects.net/uogces/kbwiki/index.php?title=IRR2007.01_Acacia_whitefly_(Trialeurodes_acaciae)
John La Salle
Some kind of whitefly http://en.wikipedia.org/wiki/Aleyrodidae

Spotted for Missions

Mission
National Geographic's Great Nature Project
Photographed
PublishedOctober 10, 2013

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