Publications

Hopper J.V., Pratt P.D., Reddy A.M., McCue K.F., Grosholz E.D. Accepted with Minor Revisions. Abiotic and biotic influences on the performance of two biological control agents, Neochetina bruchi and N. eichhorniae, in the Sacramento-San Joaquin River Delta, California (USA). Biological Control.

Hopper J.V., McCue K.F., Pratt P.D., Duchesne P. Grosholz E.D., and Hufbauer R.A. 2019. Into the weeds: matching importation history to genetic consequences and pathways in two widely used biological control agents. Evolutionary Applications.  12 (4): 773-790. doi: 10.1111/eva.12755.

Reddy A.M. Pratt, P.D., Hopper J.V., Cibils X., Walsh G.C., Mc Kay, F. 2019. Variation in cool temperature performance among populations of Neochetina eichhorniae (Coleoptera: Curculionidae) and implications for the biological control of water hyacinth, Eichhornia crassipes, in a temperate climate. Biological Control 128, 85–93

Hopper J.V., P.D. Pratt, K.F. McCue, M. J. Pitcairn, P. J. Moran, and J. D. Madsen. 2017. Spatial and temporal variation of biological control agents associated with Eichhornia crassipes in the Sacramento-San Joaquin River Delta. Biological Control. 111, 13-22.

SF Estuary News Coverage

Hopper J.V. and Mills N.J. 2016. Novel multitrophic interactions among an exotic, generalist herbivore, its host plants and resident enemies in California. Oecologia.182 (4), 1117-1128.

Hopper, J.V., Huang W-F, Solter L.F., Mills N.J. 2016. Pathogenicity, morphology, and characterization of a Nosema fumiferanae isolate (Microsporidia: Nosematidae) from the light brown apple moth, Epiphyas postvittana (Lepidoptera: Tortricidae) in California. Journal of Invertebrate Pathology. 134: 38-47.

Hopper, J.V. and Mills N.J. 2016. Pathogenicity, prevalence and intensity of a microsporidian infection by Nosema fumiferanae postvittana in the light brown apple moth, Epiphyas postvittana, in California. Journal of Invertebrate Pathology. 134: 27–34.

Hopper J.V. and Mills N.J. 2015. Consequences of infanticide for a gregarious ectoparasitoid of leafroller larvae. Ecological Entomology 40: 461-470.

Hopper J.V., Kuris A.M., White C., Lorda J., Koch S.E., Hechinger R.F. 2014. Reduced parasite diversity and abundance in a marine whelk in its expanded geographic range. J. Biogeography 41, 1674-1684.

UCSB News Coverage on our publication: “Reduced parasite diversity and abundance in a marine whelk in its expanded geographical range”

Hopper J.V., Nelson E.H., Daane K.M., Mills N.J. (2011). Growth, development and consumption by four syrphid species associated with the lettuce aphid, Nasonovia ribisnigri, in California. Biological Control 58 (3) 271-276

Hopper J.V., Poulin R., Thieltges D.W. (2008). Buffering role of the intertidal anemone Anthopleura aureoradiata in cercarial transmission from snails to crabs. Journal of Experimental Marine Biology and Ecology 367, 153-156