Throscidium (lat.) - the genus of the smallest beetles from the family of percoptera ( Ptiliidae ). Chile [1] .
Throscidium | ||||||||||||||||||||||
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| Throscidium Matthews, 1872 | ||||||||||||||||||||||
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Content
- 1 Description
- 2 See also
- 3 notes
- 4 Literature
- 5 Links
Description
Beetles of microscopic size. Body length less than 1 mm (0.94-0.99 mm). They differ from similar taxa in the morphology of the mesosternal protrusion between the middle coxae and the following characters: protorax 1.7 times wider than its length, the formula of the membrane setae of the hind wing 27 + 100 + 43, antennae 11-segmented (the third segment is shorter than segments IV and V taken together), the pleural region of protorox without dermal glands, the area between the middle coxae is occupied by the mesosternal protrusion. The body is elongated, oval-cylindrical; Brown. It belongs to the tribe Nanosellini , which includes the smallest beetles of the world fauna ( Nanosella fungi and Scydosella musawasensis ) [1] [2] [3] .
- Throscidium fairmairei Matthews, 1872
- Throscidium germainii Matthews, 1872
- Throscidium invisibile Nietner, 1856 [4]
- Throscidium nidicola Paulian, 1952
See also
- The smallest organisms
- Baranowskiella ehnstromi
- Sikhotelumpia dersuuzalai
Notes
- ↑ 1 2 3 Hall WE Generic Revision of the Tribe Nanosellini (Coleoptera: Ptiliidae: Ptiliinae) (Eng.) // Transaction of the American Entomologival Society: Journal. - Philadelphia : American Entomologival Society , 1999. - Vol. 125 , no. 1-2 . - P. 36-126 . - ISSN 0002-8320 .
- ↑ Alexey Polilov. How small is the smallest? New record and remeasuring of Scydosella musawasensis Hall, 1999 (Coleoptera, Ptiliidae), the smallest known free-living insect (English) // ZooKeys: Journal. - Sofia: Pensoft Publishers, 2015 .-- Vol. 526. - P. 61-64. - ISSN 1313-2970 . - DOI : 10.3897 / zookeys.526.6531 .
- ↑ Matthews, A. 1872. Trichopterygia illustrata et descripta. London, EW Janson. Full book at Internet Archive reference page [first availability, see p. 64]
- ↑ Nietner, J. 1856. Entomological papers - being descriptions of new Ceylon Coleoptera with such observations on their habits as appear in anyway interesting. Journal of the Asiatic Society of Bengal 25: 381–394, 523–554.
Literature
- Hall WE Generic Revision of the Tribe Nanosellini (Coleoptera: Ptiliidae: Ptiliinae) (Eng.) // Transaction of the American Entomologival Society: Journal. - Philadelphia : American Entomologival Society , 1999. - Vol. 125 , no. 1-2 . - P. 36-126 . - ISSN 0002-8320 .
Links
- Nanosellini (English) . Eol.org. Date of treatment August 25, 2018.
- Nanosellini (English) . Biolib.cz. Date of treatment August 25, 2018.