Boreoheptagyia ortladamellica sp. nov. (Diptera, Chironomidae) from Italian Alps

Boreoheptagyia ortladamellica sp. nov. (Diptera, Chironomidae) from Italian Alps

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A new species from Italian Alps, Boreoheptagyia ortladamellica (Diptera, Chironomidae), is here described.The species is presently known only as adult male, it is similar to B.tibetica, Braziers because of the female-like antenna in adult male, but it can be separated Spray Arm Coupling by the following characters: much larger size, darker colour, medially pointed aedeagal lobe, knob-like and heavy sclerotized inferior volsella, gonostylus enlarged at basis with short spiniform setae at apex.