12841 – Inventory of Native Bumblebees of Crater Lake

Investigator’s Annual Reports (IAR’s) for Crater Lake National Park

Inventory of Native Bumblebees of Crater Lake


Report Number: 12841

Reporting Year: 1998

Permit Number: CRLA1998FERG

Current Status: Checked in

Date Received: Jan 01, 1999

Principal Investigator: Carol Ferguson, Biology Department, Southern Oregon University, Ashland, OR

Additional investigator(s): Peter Schroeder

Park-assigned Study Id. #: CRLA1998FERG

Permit Expiration Date: Jan 01, 2000

Permit Start Date: Jan 01, 1998

Study Starting Date: Jan 01, 1998

Study Ending Date: Jan 01, 1998

Study Status: Completed

Activity Type: Monitoring

Subject/Discipline: Invertebrates (Insects, Other)

Objectives: This research sought to provide an initial inventory of bumblebees (Bombus) within selected sites of Crater Lake National Park (CLNP). Plants species visited by Bombus were also observed and recorded. This research in intended as groundowrk for developing future studies investigating relationships between native pollinator and native plants at CLNP as well as other areas in Southern Oregon.

Findings and Status: Fifteen specimens of Bombus and two specimens of Psithyrus (cuckoo bumblebees) were collected and/or sighted from three survey sites. Collections were comprised of 5 species of Bombus (B. bifarius, B. flavifrons, B. mixtus, B. occidentalis, and B. vosensenskii) and one species of Psithyris (P. insularis). Bumblebees were first sighted on 14 July on the Annie Creek Trail. No drones or workers were ever observed at any of the surveyed sites during the entire sampling period, although Bombus workers were observed at nearby areas (Steel Information and Visitor’s Center and Dutton Trail) late in the sampling period (24 August and 3 September). A total of 10 specimens were catalogued with the catalog numbers CRLA 9207-9216. Currently, the specimens reside in the SOU Insect Museum (Biology Department, 1250 Siskiyou Blvd. Ashland, OR 97520) but will be deposited in the Crater Lake National Park collection (Crater Lake, OR 97604) by the summer of 1999.

For this study, were one or more specimens collected and removed from the park but not destroyed during analyses? Yes

Funding provided this reporting year by NPS: 0

Funding provided this reporting year by other sources: 1453

Full name of college or university: Southern Oregon University

Annual funding provided by NPS to university or college this reporting year: 0


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