Phytoseiid mites of Morocco, with descriptions of two new species and notes on the genera Kuzinellus, Typhloctonus and Typhlodromus (Acari, Phytoseiidae)
  Some Phytoseiid mites from Kenya, with description of three new species
  Redescription and distribution of the spider mites Tetranychus evansi and T. marianae
  Description of the immature and adult stages of Amblyseius colimensis n. sp. (Acari: Phytoseiidae) from Mexico
  Studies on a Euseius species complex on avocado in Mexico and Central America, with a description of a new species (Acari: Phytoseiidae)
  Life history of and life table parameters for Phytoseiulus longipes with comparative studies on P. persimilis and Typhlodromus occidentalis (Acari: Phytoseiidae)
  Comparative studies on four strains of Typhlodromus occidentalis Nesbitt (Acarina: Phytoseiidae). IV. Life history studies