Cumulative effects of climate and landscape structure on Bombus assemblages within agricultural fields throughout the U.S.

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如何引用

研究者應依照以下指示引用此資源。:

Christman M (2022): Cumulative effects of climate and landscape structure on Bombus assemblages within agricultural fields throughout the U.S.. v1.2. USDA-ARS Pollinating Insect-Biology, Management, Systematics Research. Dataset/Occurrence. https://bison.usgs.gov/ipt/resource?r=bombusutah&v=1.2

權利

研究者應尊重以下權利聲明。:

此資料的發布者及權利單位為 USDA-ARS Pollinating Insect-Biology, Management, Systematics Research。 This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC 4.0) License.

GBIF 註冊

此資源已向GBIF註冊，並指定以下之GBIF UUID: 6a3d4789-6eac-4841-bb89-e7632b88dfb3。  USDA-ARS Pollinating Insect-Biology, Management, Systematics Research 發佈此資源，並經由GBIF-US同意向GBIF註冊成為資料發佈者。

關鍵字

Occurrence

聯絡資訊

地理涵蓋範圍

Eastern US States.

分類群涵蓋範圍

無相關描述

Bombus assemblages within agricultural fields throughout the U.S.

時間涵蓋範圍

取樣方法

Methods: Pest monitoring traps were placed by state cooperators within agricultural fields across diverse regions in the U.S. as part of early-detection surveys for invasive lepidopterans following Spears et al. (2016) and U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Cooperative Agricultural Pest Survey approved methods for pest surveillance (CAPS, 2022). This study included a total of 434 fields throughout Florida, Indiana, Kansas, Kentucky, Maryland, South Carolina, Utah, Virginia, and West Virginia from 2018 to 2020, where the number of sites varied by state, year, and target pest (Table 3–1). Target pests included Christmas berry webworm (CBW, Cryptoblabes gnidiella Milliere, 1867), cotton cutworm (CC, Spodoptera litura Fabricius, 1775), Egyptian cottonworm (EC, Spodoptera littoralis Boisduval, 1833), golden twin spot moth (GTS, Chrysodeixis chalcites Esper, 1789), Old World bollworm (OWB, Helicoverpa armigera Hübner, 1808), and silver Y moth (SYM, Autographa gamma Linnaeus, 1758). Multi-colored (green canopy, yellow funnel, and white bucket) bucket traps (International Pheromone Systems, Cheshire, UK) were placed 20 m apart and hung 1.5 m above the ground along the edge of vegetable or other commodity crop fields (e.g., alfalfa, corn, small grain). Each trap contained a pheromone lure for a single target pest inside the lure basket of the trap canopy. An insecticide strip (Hercon Vaportape II: 10% dimethyl 2,2-dichlorovinyl phosphate, Hercon Environmental Corporation, Emigsville, PA) and a small, cellulose sponge were placed inside each bucket to kill the captured insects and absorb rainwater, respectively. Insecticide strips and pheromone lures for CBW, GTS, OWB, and SYM were replaced every 28 days, whereas pheromone lures for CC and EC were changed every 84 days. Although the collection period for traps varied by state, most traps were serviced biweekly (monthly in Kentucky) from May to August, but some states extended the trapping season based on the period of expected pest activity (Table 3–1). Since lure comparisons were not the intent of this study (but see Spears et al., 2016), trap data were combined by study site and collection period.

方法步驟描述:

1. Trap contents were screened for target pests by state cooperators, and then all non-target captures (bycatch) were sent to the Utah State University Biology Department. Bombus were separated from all other non-target specimens and then stored in a freezer at -18˚C until they could be pin-mounted, labeled, and identified to species using taxonomic keys (Colla et al., 2011; Koch et al., 2012; Williams et al., 2014).

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