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Blue Stain Fungi and Their Transport Structures on the Douglas-Fir Beetle (Dendroctonus Pseudotsugae, Coleoptera: Scolytidae) Item Info
![Parent and preflight-adult Douglas-fir beetles (Dendroctonus pseudotsugae Hopk., Coleoptera, Scolytidae) were collected from felled Douglas-fir trees (Pseudotsuga menziesii [Mirb.] Franco). Fungi isolated from the beetles included pathogenic blue-stain fungi, such as Ophiostoma pseudotsugae (Rumbold) Von Arx, Ophiostoma spp., Leptographium terebrantis (Barras and Perry), and L. abietinum (Peck) Wingfield, other ascomycetes, such as Graphium and Leptographium spp., yeasts and unidentified basidiomycetes. All fungal cultures derived from parent beetles, preflight adults, beetle eggs, larvae, frass, and bark from galleries had yeast present. O. pseudotsugae were visible in shallow pits on the elytra of both male and female beetles. Graphium, Leptographium, yeast and bacterial spores were observed in shallow pits on elytra and in much smaller but deeper pits on the scutellum of both sexes. This research indicates a close association between Douglas-fir beetles and fungi. Scanning electron microscopic revealed pit-like mycangia on the beetles that allows the dissemination of blue-stain fungi to new Douglas-fir hosts and substrates.](https://objects.lib.uidaho.edu/uief/small/uief_0049_sm.jpg)
- Title:
- Blue Stain Fungi and Their Transport Structures on the Douglas-Fir Beetle (Dendroctonus Pseudotsugae, Coleoptera: Scolytidae)
- Creator:
- Lewinsohn, Dalia
- Date Created:
- 1994-04
- Description:
- Parent and preflight-adult Douglas-fir beetles (Dendroctonus pseudotsugae Hopk., Coleoptera, Scolytidae) were collected from felled Douglas-fir trees (Pseudotsuga menziesii [Mirb.] Franco). Fungi isolated from the beetles included pathogenic blue-stain fungi, such as Ophiostoma pseudotsugae (Rumbold) Von Arx, Ophiostoma spp., Leptographium terebrantis (Barras and Perry), and L. abietinum (Peck) Wingfield, other ascomycetes, such as Graphium and Leptographium spp., yeasts and unidentified basidiomycetes. All fungal cultures derived from parent beetles, preflight adults, beetle eggs, larvae, frass, and bark from galleries had yeast present. O. pseudotsugae were visible in shallow pits on the elytra of both male and female beetles. Graphium, Leptographium, yeast and bacterial spores were observed in shallow pits on elytra and in much smaller but deeper pits on the scutellum of both sexes. This research indicates a close association between Douglas-fir beetles and fungi. Scanning electron microscopic revealed pit-like mycangia on the beetles that allows the dissemination of blue-stain fungi to new Douglas-fir hosts and substrates.
- Document Type:
- Thesis
- Library Call Number:
- SB608.D6L49 1994
- Subjects:
- Douglas-fir beetle dendroctonus pseudotsugae mycangia fungi blue stain fungi entomology
- UIEF Unit:
- UIEF
- Location:
- UIEF
- Latitude:
- 46.869607
- Longitude:
- -116.733856
- Department:
- Department of Forest Resources
- Type:
- text
- Format:
- application/pdf
Source
- Preferred Citation:
- "Blue Stain Fungi and Their Transport Structures on the Douglas-Fir Beetle (Dendroctonus Pseudotsugae, Coleoptera: Scolytidae)", UIEF Research Exchange, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/uief/items/uief_0049.html
Rights
- Rights:
- In copyright, educational use permitted.
- Standardized Rights:
- http://rightsstatements.org/vocab/InC-EDU/1.0/