galling


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galling

[gȯl·iŋ]
(metallurgy)
Surface damage on mating, moving metal parts due to friction caused by local welding of high spots.
References in periodicals archive ?
To obtain the galling insects, each gall morphotype was individually kept in labeled plastic pots layered at the bottom with damp cotton and covered by fine screening.
2008) pointed out that host plant selection can be made by the galling female so as to maximize the nutrition of the larvae during its development (Mani, 1964; Rohfritsh, 1992) or to minimize microclimatic conditions stress (Edward and Wratten, 1980).
In the interaction with galling herbivores, the phenological analysis may be used to test the nutritional hypothesis, proposed by Price, Waring & Fernandes (1986, 1987).
Gall aphids do not select optimal galling sites (Smynthurodes betae: Pemphigidae).
Galling larva achieve higher density at leaf margin compared to more central portion of the leaf, like observed for Eurytoma sp.
However, since a galling insect cannot survive without its gall and galls have been shown to incur a cost to the plant, such as delayed bud burst (Foss & Rieske, 2004) the evolutionary origin of galls should rather be sought among insect life history strategies instead of plant defence mechanisms (Price et al.
We've developed a lesson to investigate basic principles of ecology, more specifically niche partitioning, while using a jigsaw activity that explores galling insects' interactions with goldenrods.
The screening was done in the greenhouse and resistance was characterized based on root galling and nematode reproduction.
The tribe Nematini is comprised of hundreds of galling and nongalling species (Viitasaari and Vikberg 1985) that feed exclusively on the Salicaceae, mostly on Salix (Price and Roininen 1993).
Even without severe conditions, lack of lubrication leads to galling of the pins, perhaps not only destroying the pin, but also damaging the die.
In addition, this fungus was already known to cause significant mortality for one of the galling insects but not for the other one sharing the same resource, so we could compare and contrast the associations between the two insect species and the fungus.
Overall, galling was low and did not exceed a rating of 5 except on 2 occasions.