Books by Helen E. Roy

Helen E. Roy
Average rating 4.33 · 3 ratings · 0 reviews · shelved 16 times

Showing 6 distinct works.

	Ladybirds (Naturalists' Handbooks Book 10) by Helen E. Roy, Peter M.J. Brown, Richard F. Comont, Remy L. Poland 4.50 avg rating — 2 ratings — 7 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Ladybirds (Coccinellidae) of Britain and Ireland by Helen E. Roy really liked it 4.00 avg rating — 1 rating — published 2011	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	From Biological Control to Invasion: the Ladybird Harmonia axyridis as a Model Species by Helen E. Roy (Editor), Eric Wajnberg (Editor) 0.00 avg rating — 0 ratings — published 2008 — 5 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	The Ecology of Fungal Entomopathogens by Helen E. Roy (Editor), Fernando E. Vega (Editor), Mark S. Goettel (Editor), Dave Chandler (Editor) 0.00 avg rating — 0 ratings — published 2010 — 5 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Ladybirds (Naturalists' Handbooks) Second edition by Roy, Helen E., Brown, Peter M. J., Comont, Richard F., Polan (2013) Paperback by Helen E. Roy 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Provisional Atlas of the Aculeate Hymenoptera of Britain and Ireland: Pt. 8 by Graham A. Collins (Editor), Helen E. Roy (Editor) 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

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