Described as
Chironomus obvius Walker, 1856a: p. 174
Synonymy
Chironomus oppertus Walker, 1856a: p. 174
Psectrocladius extensus Kieffer and Thienemann, 1908a: p. 33
Chironomus dilatatus van der Wulp, 1858a: p. 167 (a questionable synonymy)
Codes
1892641040 [IAWM-code]
PSCLOBVI [Dutch-lettercode]