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Scientific Name Thanatophilus sagax Identification

This small, black species is very similar to trituberculatus but the outer elytral costa extends over the posterior callus and the lobe of the prothoracic hypomeron is pointed, with a membranous edge. The apices of…

This small, black species is very similar to trituberculatus but the outer elytral costa extends over the posterior callus and the lobe of the prothoracic hypomeron is pointed, with a membranous edge. The apices of the elytra are short and rounded in both sexes and the temples are somewhat enlarged.

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This is a species of northwestern North America, from Alaska to northern Ontario and then south into the U.S. along the mountains. In Alberta it occurs over the entire province but there are few northern records,…

This is a species of northwestern North America, from Alaska to northern Ontario and then south into the U.S. along the mountains. In Alberta it occurs over the entire province but there are few northern records, especially in the northwest.

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