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Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Species Cordulegaster maculata - Twin-Spotted Spiketail

Twin-spotted Spiketail - Cordulegaster maculata - male female Twin-spotted Spiketail - Cordulegaster maculata - female Twin-spotted Spiketail - Cordulegaster maculata Twin-spotted Spiketail larva - Cordulegaster maculata - male Cordelegaster maculata - Cordulegaster maculata - male Twin-Spotted Spiketail - Cordulegaster maculata Twin-spotted Spiketail - Cordulegaster maculata Twin-spotted Spiketail - Cordulegaster maculata
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Anisoptera (Dragonflies)
Family Cordulegastridae (Spiketails)
Genus Cordulegaster
Species maculata (Twin-Spotted Spiketail)
Size
7 cm
Identification
Recognized by pairs of short yellow dorsal spots on abdomen. Upper face yellow in males, brown in females.

Northern Form - North of VA has body black marked with bright yellow, and sea-green eyes.

Southern Form - has body brown marked with pale yellow, and aqua-blue eyes. (1)
Habitat
Clear forest streams and small rivers, including trout streams. (1)
Season
Late Feb to late April in South, mid-May to early Aug. in North. (1)
See Also
Delta-Spotted, Brown Spiketail, and some Mosaic Darners. (1)