Authors: Schoettle, AW Negron, JF

Citation: Aw. Schoettle et Jf. Negron, First report of two cone and seed insects on Pinus flexilis, WEST N AM N, 61(2), 2001, pp. 252-254

Authors: Podhorniak, LV Negron, JF Griffith, FD

Citation: Lv. Podhorniak et al., Gas chromatography with pulsed flame photometric detection multiresidue method for organophosphate pesticide and metabolite residues at the parts-per-billion level in representative commodities of fruit and vegetable crop groups, J AOAC INT, 84(3), 2001, pp. 873-890

Authors: Negron, JF Anhold, JA Munson, AS

Citation: Jf. Negron et al., Within-stand spatial distribution of tree mortality caused by the Douglas-fir beetle (Coleoptera : Scolytidae), ENV ENTOMOL, 30(2), 2001, pp. 215-224

Authors: Lundquist, JE Negron, JF

Citation: Je. Lundquist et Jf. Negron, Endemic forest disturbances and stand structure of ponderosa pine (Pinus ponderosa) in the upper pine creek research natural area, South Dakota, USA, NAT AREA J, 20(2), 2000, pp. 126-132

Authors: Negron, JF Wilson, JL Anhold, JA

Citation: Jf. Negron et al., Stand conditions associated with roundheaded pine beetle (Coleoptera : Scolytidae) infestations in Arizona and Utah, ENV ENTOMOL, 29(1), 2000, pp. 20-27

Authors: Negron, JF Schaupp, WC Johnson, E

Citation: Jf. Negron et al., Development and validation of a fixed-precision sequential sampling plan for estimating brood adult density of Dendroctonus pseudotsugae (Coleoptera : Scolytidae), CAN ENTOMOL, 132(1), 2000, pp. 119-133