Resistance mechanisms of Spodoptera exigua (Hübner) to fenvalerate and alpha-cypermethrin. Dynamics of Cypermethrin Residue in Litchi Fruit and Soil Effects of sublethal dosage of imidacloprid, abamectin and beta-cypermethrin on the development and reproduction of green of the morph of pea aphid (Acyrthosiphon pisum) Detection of beta-cypermethrin resistance in Shandong populations of Spodoptera exigua by competitive PCR amplification of specific allele Effects of cypermethrin and deltamethrin on reproduction of Brachionus calyciflorus The integrative toxicity effects of beta-cypermethrin on Propylea japonica larvae and Aphis gossiypii adults Acute isolation of nerve cells from Pardosa pseudoannulata