Ullyett, G.C. 1950 (08 Feb 1950), Pupation habits of sheep blowflies in relation to parasitism by Mormoniella vitripennis, Wlk. (Hym., Pteromalid.). Bulletin of Entomological Research
40(4):533-537
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Keywords: Parasitism
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Ulmer, B.J.; Disdall, L.M.; Gibson, G.A.P. 2004, Spatio-temporal distribution patterns of the diamondback moth and its principal parasitoid-Diadegma insulare in canola crops and the occurrence of hyperparasitism. Brassica
6(3/4):63-70
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Keywords: Hosts; Hyperparasitism
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Ulmer, B.J.; Duncan, R.; Pavis, C.; Peña, J.E. 2008, Egg parasitoids of citrus weevils in Guadelope. Florida Entomologist
91(2):311-314
[ On-line: www.fcla.edu/FlaEnt/ ]
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Keywords: Distribution; Hosts; Percentage parasitism
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Ulmer, B.J.; Jacas, J.A.; Peña, J.E.; Castillo, J. 2006, Effect of temperature on life history of Aprostocetus vaquitarum (Hymenoptera: Eulophidae), an egg parasitoid of Diaprepes abbreviatus (Coleoptera: Curculionidae). Biological Control
39(1):19-25
[ On-line: www.sciencdirect.com ]
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Keywords: Hosts; Parasitoid development; Effect of temperature on parasite
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Ulmer, B.J.; Lapointe, S.L.; Peña, J.E.; Duncan, R.E. 2006, Toxicity of pesticides used in citrus to Aprostocetus vaquitarum (Hymenoptera: Eulophidae), an egg parasitoid of Diaprepes abbreviatus. Florida Entomologist
89(1):10-19
[ On-line: www.fcla.edu/FlaEnt/ ]
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Keywords: Hosts; Parasitoid mortality; Pesticide, effect of
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Ulmer, B.J.; Peña, J.E.; Lapointe, D.L.; Mathurin, G. 2006, The occurrence of parasitoids attacking citrus weevil eggs on Saint Lucia. Florida Entomologist
89(3):407-409
[ On-line: www.fcla.edu/FlaEnt/ ]
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Keywords: Hosts
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Ulrich, H. 1968, Tests on the susceptibility of Trichogramma to fungicides. Anzeiger für Schädlingskunde und Pflanzenschutz
41(7):101-106
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Keywords: Pesticide, effect of
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Ulrich, H. 1968 (12 Aug 1968), Ein Verbesserter Käfig für die Massenzucht des Eiparasiten Trichogramma (Hymenoptera, Chalcidoidea). Entomophaga
13(3):233-236
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Keywords: Mass rearing
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Ulrich, W. 1987, Host relationships of parasitic Hymenoptera in a beech forest on limestone. Zoologische Jahrbücher, Abteilung für Systematik, Ökologie und Geographie der Tiere
114:303-342
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Ulrich, W. 1987, Parasitoids and their hosts in a beech forest on limestone: comparisons between numbers of species. Mitteilungen der Deutschen Gesellschaft für Allgemeine und Angewandte Entomologie
5(1-4):36-39
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