Insects and Conservation CHAPTER 14 Insects and Conservation Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Bombus terricola, one of several North American bumblebee species undergoing recent rapid populations decline, possibly infl uenced by the introduction of European pathogens. Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Figure 14.1 The American burying beetle, Nicrophorus americanus. Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Figure 14.2 The prairie mole cricket, Gryllotalpa major. Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Figure 14.3 Invasive Argentine ants, Linepithema humile, attack a native harvester ant, Pogonomyrmex sp., in California. Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Figure 14.4 A, Adult male multicolored Asian ladybird beetle, Harmonia axyridis, often found congregating over winter inside homes. B, A native ladybird beetle, Coleomegilla maculata, now less common after the introduction of H. axyridis. Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

Box Figure 14.1 The total species richness of a given habitat can be estimated from standardized samples via extrapolation, taking into account the pattern of accumulation of additional species as samples are added and the patterns of abundance of the species found (see Magurran, 2004). Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.