Weather factors affecting arthropods abundance in medicinal plants in the Minas Gerais State, Brazil
DOI:
https://doi.org/10.70151/1fbxrt41Keywords:
Phytoterapics, insects, natural enemies, physical environmentAbstract
The objective of this work was to study the arthropods associated as well as the weather effects on them, during a period of two years covering more than 80 species of medicinal plant. Higher densities of Aphis sp. (Hemiptera: Aphididae) were found on Foeniculum vulgare and Pimpinella anysium plants; Frankliniella sp. (Thysanoptera: Thripidae) and Uroleucon ambrosiae f. lizerianum (Hemiptera: Aphididae) on Calendula officinalis plants; Coccus sp. (Hemiptera: Coccidae) on Chamomilla recutita and on F. vulgare plants; Aetalium reticulatum (Hemiptera: Aetalionidae) on Vernonia condensata "NCA" plants; Lagria villosa (Coleoptera: Lagriidae) on Bryophyllum pinnatum in the periods with milder temperatures (r = -0.11, P = 0.0257); Cycloneda sanguinea and Eriopsis conexa Germar (Coleoptera: Coccinelidae) on Artemisia absinthium and F. vulgare plants, respectively, feeding on aphids (r = 0.35, P = 0.0017) were observed. Bemisia tabaci (Hemiptera: Aleyrodidae) was affected, mainly, by temperature (B. tabaci = 2.56 + 0.11xTemperature + 0.0037xPluviosity - 0.12xSunlight - 0.0654xUmidity, R² = 0.21 and P = 0.0000); Empoasca sp. (Hemiptera: Cicadellidae) by pluviosity (r = -0.14, P = 0.0056) and Pentatomidae (Hemiptera) by temperature (r = -0.13, P = 0.0103).
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