We assessed the parasitism of Metaparasitylenchus hypothenemi on its host, the
coffee berry borer, in 20 coffee plantations of Mexico. A total of 23,568 adult
borers were dissected, with 179 of these infected with nematodes (0.76% infection
rate). Although the level of parasitism is not encouraging, the nematode is another...
The most active phenolics in Quercus sideroxyla Humb. & Bonpl. residual bark were identified and evaluated following a chromatographic fractionation. Bark powder was defatted with hexane and crude extract (CE) was obtained by extraction with aqueous acetone (70%). A liquid partition with ethyl acetate was performed to produce an organic...