Oligotrophus betheli
Felt, 1912
Juniper Tip Midge
Oligotrophus betheli is a to North America that induces on Juniperus horizontalis (Cupressaceae). It was first recorded as an in Japan, where it was found on ornamental plants. The species causes characteristic discoloration of young twig tips on its host.
Pronunciation
How to pronounce Oligotrophus betheli: //ˌɒlɪˈɡoʊtrəfəs ˈbɛθəlaɪ//
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Images
Habitat
Urban and park settings where ornamental Juniperus horizontalis is planted; in Japan, established on plants in cultivated environments.
Distribution
to North America; and established in Japan.
Host Associations
- Juniperus horizontalis - Causes discoloration of young twig tips; primary known
Life Cycle
pattern documented in source literature; specific stage details not available from provided material.
Behavior
exhibit daily activity patterns; induce formation on twig tips; adults captured by in webs.
Ecological Role
Induces on Juniperus horizontalis; serves as for unidentified larval (generic level only); for web-building .
Human Relevance
Potential pest of ornamental juniper plantings; subject of invasion biology research regarding range expansion and further .
Sources and further reading
- BugGuide
- GBIF taxonomy match
- iNaturalist taxon
- Catalogue of Life
- New record of an alien gall midge, Oligotrophus betheli (Diptera: Cecidomyiidae) on a North American Juniperus horizontalis (Cupressaceae) in Japan, with reference to its ecological traits and possibility of further dispersal and host range expansion