Phaeochrous emarginatus

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Phaeochrous emarginatus
Phaeochrous emarginatus Castelnau, 1840 (15666053303).png
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Polyphaga
Superfamily:
Scarabaeoidea
Family:
Hybosoridae
Genus:
Phaeochrous
Species:
P. emarginatus
Binomial name
Phaeochrous emarginatus
Castelnau, 1840
Synonyms
  • Phaeochrous alternatusFairmaire, 1879
  • Phaeochrous asiaticusLewis, 1896
  • Phaeochrous celebensisPic, 1928
  • Phaeochrous gracilisPetrovitz, 1975
  • Phaeochrous pallidusArrow, 1909
  • Phaeochrous perroudiPic, 1943
  • Phaeochrous striatusPic, 1944
  • Silphodes hirtipesMacLeay, 1864
  • Silphodes sumatrensisWestwood, 1841

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]

Contents

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]

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References

  1. ↑ Allsopp, P. G. (1984). "Checklist of the Hybosorinae (Coleoptera: Scarabaeidae)". The Coleopterists Bulletin. 38 (2): 105–117. JSTOR   4008153 . Retrieved 2021-07-31.
  2. ↑ "Studies on Scarabaeid Beetles (Coleoptera) of Govind Wildlife Sanctuary, Garhwal, Uttarakhand, India". Biological Forum — An International Journal, 4(1): 48-54(2012). Retrieved 2021-07-30.
  3. ↑ "Phaeochrous emarginatus". www.kaefer-der-welt.de. Retrieved 2021-07-31.
  4. ↑ "Peltonotus nasutus Arrow, 1910 and species of Phaeochrous as pollinators of Amorphophallus paeoniifolius (Araceae) in Thailand (Coleoptera: Scarabaeidae)". www.cabdirect.org. Retrieved 2021-07-31.
  5. ↑ Hanski, Ilkka; Krikken, Jan (2014-07-14). "CHAPTER 10. Dung Beetles in Tropical Forests in South-East Asia". Dung Beetle Ecology. Princeton University Press. pp. 179–197. doi:10.1515/9781400862092.179. ISBN   9781400862092 . Retrieved 2021-07-31.
  6. 1 2 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". Zoologische Verhandelingen. pp. 3–40. Retrieved 2021-07-31.
  7. ↑ 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". Systematic Entomology. 29 (4): 524–543. doi: 10.1111/j.0307-6970.2004.00257.x . S2CID   2801619 . Retrieved 2021-07-31.
  8. ↑ "Phaeochrous emarginatus Castelnau, 1840". www.gbif.org. Retrieved 2021-07-31.
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