Thimbleberry Jam Making in Houghton and Keweenaw Counties ...
Their irritation causes the thimbleberry stem to form excessive parenchyma tissue that eventually forms a gall (Wangberg, 1975). Figure 4: Parasitic Wasp Gall .
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Island Nature :: A Galling Discovery
Apr 3, 2011 . Haggard's book had a picture of a gall on Thimbleberry that matched these roadside galls perfectly. The gall wasp responsible for the .
The thimbleberry gall wasp Diastrophus kincaidii will form swellings (galls) on the stems of thimbleberries, sometimes weakening branches. There may be many .
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The thimbleberry has a gall wasp that causes a swelling in the stem. If you find one of these galls, and if the swelling does not have tiny escape holes in it from .
ON THE COVER I'm your thimbleberry - North Coast Journal
Jul 19, 2007 . Haggard likes Gibbons, actually -- he brings his name up on a walk one afternoon in search of wasp galls in a wealthy thimbleberry corridor .
The following factors affect whether FAS or FAE will occur and how severe the condition may be:
Diplolepis rosae Bedeguar gall wasp
Bedeguar gall wasp Diplolepis rosae (Linnaeus, 1758) . the galls induced by the herb gallwasp Diastrophus kincaidii on thimbleberry (Rubus parviflorus), and .
Oak gall communities
In non-oak gallwasp galls, the weevil Rhynchites bicolor feeds within the galls induced by the herb gallwasp Diastrophus kincaidii on thimbleberry (Rubus .
VIU Biology - Tim Goater
Larissa Nelson – Ecology of gall wasps and parasitoids of thimbleberry plants. Jennifer Waller – Effects of insect seed herbivores on germination of Garry Oak .
Biology, Ecology, and Evolution of Gall-inducing Cynipidae | Mendeley
Cynipid gall wasps (Hymenoptera; Cynipidae, Cynipinae) induce some of the most structurally complex plant galls, and with c. 1400 described species, they are .
Pacific Willow © Bro. Alfred Brousseau - Seward Park
The shrub understory is composed largely of salmonberry, thimbleberry, elderberry, . The galls serve to protect and feed the gall wasp larvae and do not cause .
The Effect of Hostplant and Parasitoids on the Reproductive ...
success of the parthenogenetic gall wasp Diplolepis rosae. (Hymenoptera, Cynipidae) . positive correlation between wasp size and gall (clutch) size. Parasitoid . kincaidii Gilette (Hymenoptera: Cynipidae) on Thimbleberry. Univ Idaho Dept .
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Gall Work July 2005. Chokecherry is one of the signature plants of the North . all over the place, from wild roses to willows, from thimbleberries to pine trees. . including hundreds of different wasps, midges, aphids, and flies, create galls as .
The influence of host density and gall shape on the survivorship of ...
Diastrophus kincaidii is a univoltine cynipid wasp that induces a multilocular gall on the stems of the thimbleberry, Rubus parvzjlorus (Gillette 1893;. Wangberg .
gall fly (insect) -- Britannica Online Encyclopedia
This group includes gall midges and certain fruit flies (order Diptera), gall wasps ( order Hymenoptera), some aphids (order Homoptera), and certain species of .
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