Enochrus esuriens

Enochrus (Methydrus) esuriens, is a species of water scavenger beetle found in Indochina, Korea, China, Japan, Bhutan, Iran, Iraq, Nepal, India, Pakistan, Philippines, Sri Lanka, Vietnam, Sunda Island, Saudi Arabia and Australia.[1][2][3][4][5][6][7]

Enochrus esuriens
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Polyphaga
Superfamily:
Hydrophiloidea
Family:
Hydrophilidae
Genus:
Enochrus
Species:
E. esuriens
Binomial name
Enochrus esuriens
(Walker, 1858)
Synonyms
  • Philhydrus esuriens Walker, 1858
  • Enochrus esuriens Kniž, 1924
  • Pylophilus nigriceps Motschulsky, 1860
  • Philhydrus nigriceps Redtenbacher, 1868
  • Philhydrus pullus Fauvel, 1883
  • Philhydrus ornaticeps Sharp, 1884
  • Philydrus pullus Fauvel, 1883
  • Philydrus ornaticeps Sharp, 1884

Description

Body length is about 2.4 to 2.8 mm. Body oval and convex. Dorsum yellowish brown whereas ventrum blackish. Head dark with preocular spots. Mentum consists with compact long setae on anterior part. Pronotum without a central dark spot. Elytra without stria. Mesoventral process is protruded posteriorly, with characteristic beak-shaped with sparse setae. Abdomen consists with five vetrites and zig-zag shaped maxillary palpi. Sternite VII with emargination visible in between apex and medial part. Median lobe of aedeagus in male is long and triangular along with reversed U-shaped and relatively thick corona.[8][9]

It is inhabited in both brackish and fresh water.[10]

References
  1. "Enochrus esuriens". www.kaefer-der-welt.de. Retrieved 2021-07-30.
  2. Dalal, Jyoti; Sharma, Sapna; Bhardwaj, Tapeshwar; Dhattarwal, S.K.; Verma, Kapil (2020-08-01). "Seasonal study of the decomposition pattern and insects on a submerged pig cadaver". Journal of Forensic and Legal Medicine. 74: 102023. doi:10.1016/j.jflm.2020.102023. PMID 32784108. S2CID 221125845. Retrieved 2021-07-30.
  3. Jia, Fenglong; Wang, Yun (2010-01-01). "A revision of the species of Enochrus (Coleoptera: Hydrophilidae) from China". Oriental Insects. 44: 361–385. doi:10.1080/00305316.2010.10417622. S2CID 84573821. Retrieved 2021-07-30.
  4. Jung, Sang Woo; Min, Hong Ki; Lee, Dae-Hyun (2020). "Aquatic Beetles Fauna in Nohwa and Bogil Islands, and Copelatus parallelus (Coleoptera: Dytiscidae) and Scirtes sobrinus (Coleoptera: Scirtidae) New to South Korea". Animal Systematics, Evolution and Diversity. 36 (2): 128–138. doi:10.5635/ASED.2020.36.2.004. Retrieved 2021-07-30.
  5. Darilmaz, Mustafa C.; Ahmed, Zubair (2016-01-25). "Aquatic Coleoptera from Pakistan: faunistic and zoogeographical contribution (Coleoptera: Gyrinidae: Dytiscidae: Hydrophilidae)". Journal of Natural History. 50 (3–4): 149–162. doi:10.1080/00222933.2015.1059515. S2CID 86193874. Retrieved 2021-07-30.
  6. "Dytiscidae and Hydrophilidae) PROMMALIA, II, 51-62". PROMMALIA. Vol. II, 2014. Retrieved 2021-07-30.
  7. "Enochrus esuriens (Walker, 1858)". www.gbif.org. Retrieved 2021-07-30.
  8. Lee, Dae-Hyun; Ahn, Kee-Jeong (2016-09-01). "A taxonomic review of Enochrus Thomson (Coleoptera: Hydrophilidae) in Korea". Journal of Asia-Pacific Biodiversity. 9 (3): 335–343. doi:10.1016/j.japb.2016.03.010. Retrieved 2021-07-30.
  9. "Water scavenger beetles of Kinmen County, Taiwan (Coleoptera: Hydrophilidae)". (TW J. of Biodivers.) 23 (1): 39-62, 2021. Retrieved 2021-07-30.
  10. "Studies on the fresh water aquatic beetle fauna (Coleoptera: Insecta) of Chilika lake and its adjoining areas and their colonization in brackish water" (PDF). International Journal of Fauna and Biological Studies 2016; 3(6): 19-24. Retrieved 2021-07-30.


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