Ronald F. Billings

Temperature Extremes, Density Dependence, and Southern Pine Beetle (Coleoptera: Curculionidae) Population Dynamics in East Texas (2008)

Nicholas A. Friedenberg, Sudipta Sarkar, Nicholas Kouchoukos, Ronald F. Billings, Matthew P. Ayres

Previous studies of the southern pine beetle, Dendroctonus frontalis Zimm., established that its population in east Texas responds to a delayed density-dependent process, whereas no clear role of...

Host selection and attack behavior of Dendroctonus ponderosae Hopkins--(Coleoptera: Scolytidae) in Ponderosa pine of Eastern Washington. (1974)

Billings, Ronald F.

Thesis (Ph. D.)--University of Washington.

Parasites and predators of Dendroctonus ponderosae Hopkins (Coleoptera : Scolytidae) in ponderosa pine (1970)

Billings, Ronald F.

Graduation date: 1970

Parasites and predators of Dendroctonus ponderosae Hopkins (Coleoptera : Scolytidae) in ponderosa pine (1970)

Billings, Ronald F.

Graduation date: 1970