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Biology and management of economically important lepidopteran cereal stem borers in Africa.
The status of knowledge about economically important cereal stem borers in Africa is summarized with emphasis on their distribution, pest status and yield losses, diapause, natural enemies, cultural control, host plant resistance, and biological control.
African cereal stem borers: economic importance, taxonomy, natural enemies and control
- A. Polaszek
Utilisation of Wild Gramineous Plants for Management of Cereal Stemborers in Africa
Field trials in Kenya demonstrated that the forage grass, Sorghum vulgare sudanense (Sudan grass) attracted greater oviposition by stemborers than cultivated maize, resulting in significant increase in maize yield and significant reduction in stemborer infestation.
A phylogenetic analysis of the megadiverse Chalcidoidea (Hymenoptera)
The first phylogenetic analysis of the superfamily Chalcidoidea based on both morphological and molecular data is presented and several life‐history traits are mapped onto the new phylogeny.
Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?
A food-web approach to analyse the community structure and function at the whole-farm scale showed that organic farms have significantly more species at three trophic levels (plant, herbivore and parasitoid) and significantly different network structure.
A revision of the Chinese species of Encarsia Förster (Hymenoptera: Aphelinidae): parasitoids of whiteflies, scale insects and aphids (Hemiptera: Aleyrodidae, Diaspididae, Aphidoidea)
The species of Encarsia Forster (Hymenoptera: Aphelinidae) known from China are revised, with a total of 76 species, including 29 new species, one new combination and 16 new records for China.
Encarsia parasitoids of Bemisia tabaci (Hymenoptera: Aphelinidae, Homoptera: Aleyrodidae): a preliminary guide to identification.
A key is provided for the recognition of previously described Encarsia species which are known to attack the tobacco whitefly, Bemisia tabaci (Genna-dius), and eight new synonymies are proposed.
Egg parasitism in Aphelinidae (Hymenoptera: Chalcidoidea) with special reference to Centrodora and Encarsia species.
- A. Polaszek
- 1 March 1991
The occurrence of egg parasitism in aphelinids has been recorded in eight of the 38 valid genera and these records are reviewed; it is particularly common in the genus Centrodora, which is shown to be the most polyphagous in the family.
Biological control of the South American tomato pinworm, Tuta absoluta (Lep.: Gelechiidae), with releases of Trichogramma achaeae (Hym.: Trichogrammatidae) in tomato greenhouses of Spain.
A universal register for animal names
- A. Polaszek
- 22 September 2005
The ICZN executive secretary Andrew Polaszek argues the case for a major upgrade to the ‘Code’ for its next edition, and proposes an open-access web-register for animal names, which they believe is vital to move taxonomy into the twenty-first century.