Seasonal Abundance of Various Hymenopteran Parasitoids of Leafminers in Beans and Comparative Abundance in Bean, Tomato, and Squash

Dakshina R. Seal (), Oscar Liburd and Jian Li
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Dakshina R. Seal: Tropical Research and Education Center, University of Florida-IFAS, Homestead, FL 33033, USA
Oscar Liburd: Entomology and Nematology Department, University of Florida-IFAS, Gainesville, FL 32603, USA
Jian Li: Independent Researcher, 1828 SW 63RD AVE, Gainesville, FL 32608, USA

Agriculture, 2023, vol. 13, issue 7, 1-15

Abstract: The composition and seasonal abundance of hymenopteran parasitoids of Liriomyza trifolii (Burgess) was investigated on snap bean ( Phaseolus vulgaris L.), tomato ( Solanum lycopersicum L.), and squash ( Cucurbita pepo L. ‘ Enterprise ’) from 2010 to 2016 in South Florida in two studies. In the first study (2010–2016), 13 species of parasitoids were collected from the snap bean crop. Opius dissitus Muesebeck (Braconidae) was the most abundant parasitoid throughout the study period from September 2010 to February 2016. Diaulinopsis callichroma Crawford (Eulophidae) was the second most abundant parasitoid on bean in 2010, 2012, 2014, and 2016. Other parasitoids included Euopius sp. (Braconidae)., Diglyphus begini (Ashmead), D. intermedius (Girault), D. isaea (Walker), Neochrysocharis sp., Closterocerus sp., Chrysocharis sp., Zagrammosoma lineaticeps (Girault), Z. muitilineatum (Ashmead), Pnigalio sp. (all Eulophidae), and Halticoptera sp. (Pteromalidae). In the second study on the comparative abundance of parasitoids in three crops conducted in 2014 and 2016 using bean ( Phaseolus vulgaris L., tomato ( Solanum lycopersicum L.) and squash ( Cucurbita pepo L.) arranged in a randomized complete block design, bean attracted more parasitoids than tomato and squash irrespective of parasitoid species and years. This information will help in devising a biocontrol-based integrated program for managing leafminers in beans and other vegetable crops.

Keywords: L. trifolii; hymenopteran parasitoids; seasonal abundance; biological control; vegetable crops (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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