Tramea lacerata
Hagen, 1861
Black Saddlebags
Tramea lacerata, commonly known as the Black Saddlebags, is a migratory skimmer found throughout North America. It is distinguished by prominent black blotches at the base of its that resemble saddlebags. The is one of five North dragonflies targeted by the Migratory Dragonfly Partnership for citizen science due to its poorly understood patterns. are aerial that capture flying , while are aquatic predators in wetland .
Pronunciation
How to pronounce Tramea lacerata: /ˈtræ.miə ˌlæ.səˈrɑː.tə/
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Identification
Distinguished from other skimmers by large, conspicuous black blotches at the ends of the , creating the 'saddlebags' appearance. The pattern is distinctive and visible in . For separation from similar Tramea , examination of and body proportions may be required.
Images
Habitat
Associated with wetland including ponds, marshes, and other standing water bodies where develop. forage in open airspaces near these .
Distribution
North America, Middle America, Caribbean, and Oceania. Present throughout the continental United States, with migratory movements between northern breeding areas and southern sites.
Seasonality
Spring northward ; fall return to southern . Active present during warmer months; specific timing varies by latitude.
Diet
are aerial capturing flying including mosquitoes. are aquatic predators of other insects in water.
Life Cycle
development with aquatic stage and terrestrial/aerial stage. Nymphs are aquatic in wetlands; adults emerge and take .
Behavior
Migratory; travels north in spring and returns south in fall. are strong, agile fliers capable of precise aerial maneuvering using independently controlled four . Attracted to lights at night in some contexts, though primarily .
Ecological Role
Important in wetland controlling mosquito through both and . Serves as for birds, fish, and frogs.
Human Relevance
Subject of citizen science through the Migratory Partnership to better understand patterns and inform . Valued as a agent for mosquitoes.
Similar Taxa
- Tramea onustaRed Saddlebags shares similar pattern with black saddlebags markings, but differs in coloration of the saddlebags and overall body color.
- Anax juniusCommon Green is another large migratory , but lacks the distinctive black blotches and has green with in males.