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Genus Palaemnema

 
 
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Identification manual for the damselfly larvae (Zygoptera) of Florida
By Richardson J.S.
Dept Envir. Prot., Tallahassee. 62 pp., 2010

Damselflies of Texas: A field guide
By Abbott J.C.
University of Texas Press. 292 pp., 2011
Order &c. info here

Damselflies of North America
By Minter J., Jr Westfall, Michael L. May
Scientific Pub, 1996
A very scholarly work (common names are never mentioned at all). This is the bible for entomologists who work with damselflies. Some color plates and many highly detailed and magnified illustrations. Geographic coverage includes Canada, the United States, the northernmost Mexican states, and the Greater Antilles.

Damselflies of the Northeast
By Ed Lam
Biodiversity Books, 2004
A lovely little book, just under 100 pages. Covers all 69 species/forms of damselflies from the northeastern US (Virginia northward) and eastern Canada. It should be useful for all of the eastern US. Each species account is a full page and includes: life history, range map, flight dates, identification tips, detailed illustrations of both sexes, and smaller diagrams showing anatomic details. There is an introduction to damseflies with detailed diagrams explaining anatomic terms, and there are two pages of references. The book has superior typography and design.

Available directly from the publisher/author, $20 plus shipping:

Common Dragonflies and Damselflies of Eastern North America
By Richard K. Walton and Greg Dodge
Brownbag Productions, 2004
Stunning close-up videos of common dragonflies and damselflies. Video showing behavior and a variety of angles is a great supplement to a field guide. 50 widespread eastern species are covered in a one-hour DVD. Sequences show life cycle and habitats, so it is more than a field guide.

Coverage of North Carolina species is particularly good, since one of the authors is based there. The footage of damselflies is especially welcome, since there is no in-print field guide for the eastern US.

My only wish is for a booklet to accompany it, and subtitles. (There are explanatory notes included in the DVD.) My copy had one minor glitch that only showed up on one DVD player, but not on another. This was not a fatal flaw, only annoying. (I have seen similar problems on other commercial DVD's.)

Damselflies of Florida, Bermuda, and the Bahamas
By Sidney W. Dunkle
Scientific Publishers, 1991

Odonata at risk in conterminous United States and Canada.
By Bick, G.H.
Odonatologica 12(3): 209-226., 1983
Bick, G.H. 1983. Odonata at risk in conterminous United States and Canada. Odonatologica 12(3): 209-226.

Abstract
32 spp. (8% of the odon. fauna) considered to be at risk in the United States and Canada are assigned to Red Data Book categories as follows: Rare-20 (62%), Vulnerable-5 (16%), Endangered-3 (9%), Insufficiently known-3 (9%), Probably extinct-I (3%). Most (82%) of the threatened spp. are associated with flowing water. The loss of high-quality, undisturbed streams is the most significant actor endangering odonates in the US and Canada. The threatened spp. occur in 3 eastern Canadian Provinces and in 31 states, most of which are east of the Mississippi River.

National review of state wildlife action plans for Odonata species of greatest conservation need.
By Bried, J.T. and C.A. Mazzacano.
Insect Conservation and Diversity 3(2): 61–71., 2010
Bried, J.T. and C.A. Mazzacano. (2010). National review of state wildlife action plans for Odonata species of greatest conservation need. Insect Conservation and Diversity 3(2): 61–71.

Keywords: Conservation; damselflies; dragonflies; rare species

Abstract. 
1. The overarching goal of United States wildlife action plans is to prevent wildlife from becoming endangered or declining to levels where recovery becomes unlikely. Effective plan implementation depends on establishing Species of Greatest Conservation Need (SGCN), defined as wildlife species with small or declining populations or other characteristics that make them vulnerable.

 
 
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