Biology:Phaeochrous emarginatus
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| Species: | P. emarginatus
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| Phaeochrous emarginatus Castelnau, 1840
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Phaeochrous emarginatus, is a species of scavenger scarab beetle found in India, Sri Lanka, Bhutan, China, Taiwan, Japan, Laos, Myanmar, Thailand, Malaysia, Vietnam, Indonesia, Philippines, New Guinea, Ryukyu Archipelago, and Australia.[1][2][3][4][5]
Description
There are slight differences among the subspecies. Nominate subspecies has elytral punctation which is not so strongly irregular. Typical length is about 8.2 to 13.7 mm. There are 5 to 25 denticles in fore tibia and slightly heterogeneous 5th, 9th and 13th interstriae. The irregular punctation are widely extended. Parameral excavation is well defined whereas the upper margin of blade is gently curved. Apex more or less curved downward.[6][7]
The subspecies buruensis is about 8.1 to 9.5 mm in length. There are 6 to 11 denticles in fore tibia and regularly punctate striae in elytra. The 5th, 9th and 13th interstriae are approximately slightly heterogeneous. The subspecies benderitteri is about 10.1 to 15 mm in length, and there are 11 to 18 denticles in fore tibia. The subspecies suturalis is very small with a length of about 7.8 mm. It has 17 denticles in fore tibia. The subspecies suturalis is 8.7 to 10.2 mm in length. There are 11 to 15 denticles in fore tibia and striai punctation and heterogeneous 5th, 9th and 13th interstriae.[6]
Subspecies
Seven subspecies have been identified.[8]
- Phaeochrous emarginatus benderitteri Pic, 1928
- Phaeochrous emarginatus buruensis Kuijten, 1978
- Phaeochrous emarginatus cyclops Prokofiev, 2012
- Phaeochrous emarginatus davidis Fairmaire, 1886
- Phaeochrous emarginatus emarginatus Castelnau, 1840
- Phaeochrous emarginatus suturalis Lansberge, 1885
- Phaeochrous emarginatus thilliezi Keith, 1999
References
- ↑ Allsopp, P. G. (1984). "Checklist of the Hybosorinae (Coleoptera: Scarabaeidae)". The Coleopterists Bulletin 38 (2): 105–117. https://www.jstor.org/stable/4008153. Retrieved 2021-07-31.
- ↑ "Studies on Scarabaeid Beetles (Coleoptera) of Govind Wildlife Sanctuary, Garhwal, Uttarakhand, India". https://www.researchgate.net/publication/268797010.
- ↑ "Phaeochrous emarginatus". https://www.kaefer-der-welt.de/phaeochrous_emarginatus.htm.
- ↑ "Peltonotus nasutus Arrow, 1910 and species of Phaeochrous as pollinators of Amorphophallus paeoniifolius (Araceae) in Thailand (Coleoptera: Scarabaeidae)". https://www.cabdirect.org/?target=%2fcabdirect%2fabstract%2f20093235152.
- ↑ Hanski, Ilkka; Krikken, Jan (2014-07-14). "CHAPTER 10. Dung Beetles in Tropical Forests in South-East Asia" (in en). Dung Beetle Ecology. Princeton University Press. pp. 179–197. doi:10.1515/9781400862092.179. ISBN 9781400862092. https://www.degruyter.com/document/doi/10.1515/9781400862092.179/html. Retrieved 2021-07-31.
- ↑ 6.0 6.1 Kuijten, P. J. (1978-01-01). "Revision of the Indo-Australian species of the genus Phaeochrous castelnau, 1840 (Coleoptera: Scarabaeidae, Hybosorinae), with notes on the African species" (in en). pp. 3–40. https://repository.naturalis.nl/pub/323942.
- ↑ Grebennikov, Vasily V.; Ballerio, Alberto; Ocampo, Federico C.; Scholtz, Clarke H. (2004). "Larvae of Ceratocanthidae and Hybosoridae (Coleoptera: Scarabaeoidea): study of morphology, phylogenetic analysis and evidence of paraphyly of Hybosoridae" (in en). Systematic Entomology 29 (4): 524–543. doi:10.1111/j.0307-6970.2004.00257.x. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.0307-6970.2004.00257.x. Retrieved 2021-07-31.
- ↑ "Phaeochrous emarginatus Castelnau, 1840" (in en). https://www.gbif.org/species/1072251.
Wikidata ☰ Q2375005 entry
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