Urocerus cressoni
Norton, 1864
Black-and-red Horntail
Urocerus cressoni is a large wood-boring in the , commonly known as the Black-and-red Horntail. Females range from 37–50 mm in length, males 18–37 mm. The is to North America and has been recorded across Canada from Nova Scotia to Manitoba. Like other horntails, females possess a prominent for drilling into wood to , along with a shorter (cornus) that gives the family its . The species is non-venomous and poses no threat to humans.
Pronunciation
How to pronounce Urocerus cressoni: /ˌjʊərəˈsɪərəs ˈkrɛsəni/
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Images
Distribution
Canada: Nova Scotia, New Brunswick, Quebec, Ontario, Manitoba. The occurs in eastern and central Canada, with records spanning from the Atlantic provinces westward to Manitoba.
Similar Taxa
- Tremex columbaSimilar large size and wood-boring habit, but U. cressoni has distinct black-and-red coloration while T. columba shows more variable coloration with western specimens typically paler than eastern ones. U. cressoni is found in more northern and eastern regions compared to the broader North range of T. columba.
- Urocerus californicusCongeneric found in western North America; U. cressoni is distinguished by its eastern Canadian distribution and black-and-red color pattern.