Merothripidae

Hood, 1914

Genus Guides

Merothrips

is a small of thrips (Thysanoptera) containing at least 4 and 20 described . The family includes both extant and fossil , with fossil representatives known from Lebanese amber (Barremian), Burmese amber (Cenomanian), Baltic amber (Eocene), and Ethiopian amber (disputed age, possibly Miocene). Extant species are primarily distributed in the Americas, with Merothrips meridionalis widespread through Brazil. The family has been described as fungivorous.

Pronunciation

How to pronounce Merothripidae: //məˌroʊˈθraɪpɪˌdiː//

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Identification

Members of are distinguished from other thrips by characteristics associated with their placement in the suborder Merothripoidea. Specific diagnostic features require examination of wing venation, structure, and other morphological traits detailed in taxonomic literature. Some are (wingless).

Distribution

Extant occur in the Americas, with records from subtropical South America (Brazil) and sympatric occurrences of multiple Merothrips species. Fossil are known from: Lebanese amber (Barremian), Burmese amber from Myanmar (Cenomanian), Baltic amber (Eocene), and Ethiopian amber from the north-western Plateau (age disputed, possibly Miocene).

Diet

fungivorous

Life Cycle

Includes wingless larval stage. Fossil larvae cannot be definitively associated with specimens.

More Details

Fossil record

The has a significant fossil record spanning multiple geological periods. †Jezzinothrips from Lebanese amber dates to the Barremian (Early Cretaceous). †Myanmarothrips from Burmese amber dates to the Cenomanian (Late Cretaceous). †Praemerothrips from Baltic amber dates to the Eocene. Merothrips aithiopicus from Ethiopian amber was initially considered mid-Cretaceous but later studies suggest a Cenozoic (likely Miocene) age based on spectroscopic analyses, revised palynological data, and paleoentomological results showing insect fossils mostly belong to extant families and .

Taxonomic history

J.D. Hood originally described Merothrips meridionalis as an form of M. mirus; it was later recognized as a distinct . The was established by Hood in 1914.