南瓜田中缘腹细蜂（膜翅目：缘腹细蜂科）对南瓜缘蝽（半翅目：缘蝽科）寄生率的年度和季节性变化：对增殖释放的启示

Annual and Seasonal Changes in Parasitism Rates by (Hymenoptera: Scelionidae) on the Squash Bug (Hemiptera: Coreidae) in Squash Fields: Implications for Augmentative Releases.

作者信息

Cornelius Mary L, Vinyard Bryan T, Weber Donald C

机构信息

Invasive Insect Biocontrol and Behavior Laboratory, USDA Agricultural Research Service, Beltsville Agriculture Research Center, 10300 Baltimore Ave, Building 007, Beltsville, MD 20705, USA.

Statistics Group, USDA Agricultural Research Service, Northeast Area Office, Beltsville, MD 20705, USA.

出版信息

Insects. 2022 Oct 26;13(11):984. doi: 10.3390/insects13110984.

DOI:10.3390/insects13110984

PMID:36354808

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9693398/

Abstract

This study evaluated parasitism rates by (Ashmead) (Hymenoptera: Scelionidae) on the squash bug DeGeer (Hemiptera: Coreidae) over a six-year period in squash fields in Maryland. From 2016-2021, 2226 wild squash bug egg masses were collected, 2180 (98.0%) egg masses and 46 (2.0%) egg masses. The mean (±SE) parasitism rate was 10.9 ± 0.16%. Yearly parasitism rates were significantly different with rates in 2017 and 2018 that were significantly lower than in 2019, 2020, and 2021. The significant difference in parasitism rates based on planting date was primarily due to the high parasitism rate observed in 2021. These results suggest that the use of augmentative releases early in the season could result in effective control by increasing parasitism earlier in the season and by causing the parasitism rate in the field to peak at a higher number late in the season.

摘要

本研究在马里兰州的南瓜田对六年期间（膜翅目：缘腹细蜂科）（阿氏）对南瓜缘蝽（半翅目：缘蝽科）的寄生率进行了评估。2016年至2021年期间，共收集到2226个野生南瓜缘蝽卵块，其中2180个（98.0%）卵块被[寄生蜂名未给出]寄生，46个（2.0%）卵块未被寄生。平均（±标准误）寄生率为10.9±0.16%。年度寄生率存在显著差异，2017年和2018年的寄生率显著低于2019年、2020年和2021年。基于种植日期的寄生率显著差异主要归因于2021年观察到的高寄生率。这些结果表明，在季节早期进行补充释放可能通过在季节早期提高寄生率以及使田间寄生率在季节后期达到更高峰值来实现有效防治。