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Climatic and edaphic characteristics constrain the distribution of the quarantine pest Anastrepha grandis
Author(s) -
Mesquita Filho Walter,
SouzaFilho Miguel Francisco,
Raga Adalton,
Oliveira André Stocco,
Almeida Aparecida Marques,
Garcia Maria José De Marchi,
AzevedoFilho Joaquim Adelino,
Pereira Marcelo Francisco Arantes,
Montes Sônia Maria Nalesso Marangoni,
Michelotto Marcos Doniseti,
Garcia Adriano Gomes,
Godoy Wesley Augusto Conde,
Zucchi Roberto Antonio
Publication year - 2021
Publication title -
entomologia experimentalis et applicata
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.765
H-Index - 83
eISSN - 1570-7458
pISSN - 0013-8703
DOI - 10.1111/eea.13065
Subject(s) - edaphic , pest analysis , biology , tephritidae , quarantine , soil texture , horticulture , ecology , botany , agroforestry , soil water
The South American cucurbit fruit fly, Anastrepha grandis (Macquart) (Diptera: Tephritidae), is an economically important pest of cucurbits and is classified as a quarantine species in many countries. In Brazil, A. grandis has a limited distribution; it is absent from northern and northeastern Brazil and distributed discontinuously in other parts of the country. To indirectly evaluate the influence of climatic and edaphic variables on the occurrence of A. grandis , we used data based on 4 years of cucurbit fruit collections from all mesoregions of the state of São Paulo. Our results show evidence that A. grandis is constrained by a minimum air temperature above 12 °C, low (<20 °C) and high (>29 °C) maximum air temperature, and by low rainfall and relative humidity, occurring at altitudes from 520 to 780 m. More importantly, A. grandis was not collected in central to western São Paulo, where sandy soil and low soil water availability predominate and the climate is hot and dry. Our findings suggest that soil texture and moisture may be limiting factors for pupal survivorship of A. grandis , and consequently edaphic characteristics should be taken into account in studies on its geographical distribution. Based on our results, central to western São Paulo state can potentially be classified as an area of low pest prevalence. Moreover, in countries where cucurbit species are cultivated in such conditions, it is not likely that A. grandis could become established.