Nearctic pine tip moths of the genus rhyacionia : Biosystematic review (Lepidopt
Powell, Jerry A., Miller, William E.
Nearctic pine tip moths of the genus rhyacionia : Biosystematic review (Lepidopt - Washington 1978 - 51 p. - No. 514; United States Departm .
Nearctic pine tip moths of the genus rhyacionia : Biosystematic review (Lepidopt - Washington 1978 - 51 p. - No. 514; United States Departm .