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Aceria fraxiniflora, the ash flower gall mite, is a species of gall mite that produces galls on ash trees. [1] The male flowers of ash are greatly distorted by the mites, which results in a highly disfigured and disorganized gall that remains yellow or green, and later dries and turns brown. However, there is little evidence that this injury ...
The mite usually attacks the flower clusters soon after they open. The individual gall is no more than 2 cm across but when grouped together can be impressive as they present a sizable irregular deformity formed from the fused and swollen flower stalks . [5] The gall has also been found on buds, leaf stalks, twigs or trunks.
Mites form numerous capsule galls, greenish-yellow in color, between leaf veins of Ash trees in the genus Fraxinus, including Fraxinus americana, Fraxinus latifolia, Fraxinus nigra, and Fraxinus pennsylvanica. [3] [4] The mites stay in the galls until late summer when host leaves mature. [5]: 50 The life cycle is a form of alternation of ...
The true ash trees are much taller and are typically grown as street trees or shade trees. The smaller mountain ash is a member of the rose family while the true ash belongs to the olive family.
This series explores aspects of America that may soon be just a memory -- some to be missed, some gladly left behind. From the least impactful to the most, here are 25 bits of vanishing America.
Aceria elongata Hodgkiss, 1913 – crimson erineum mite; Aceria erinea Nalepa, 1891; Aceria eriobotryae Keifer, 1938; Aceria ficus Cotte, 1920; Aceria fraxini (Garman, 1883) – ash bead gall mite; Aceria fraxiniflora (Felt, 1906) – ash flower gall mite; Aceria fraxinicola Nalepa, 1890; Aceria fraxinivora Nalepa, 1909; Aceria gallae T.Huang, 1996
The Fort Worth Botanic Garden’s ash tree population is recovering from an emerald ash borer scare, officials with the garden said Tuesday. Emerald ash borers are an invasive insect species ...
Eriophyidae is a family of more than 200 genera of mites, which live as plant parasites, commonly causing galls or other damage to the plant tissues and hence known as gall mites. About 3,600 species have been described, but this is probably less than 10% of the actual number existing in this poorly researched family.