Biology:Caccobius unicornis

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Short description: Species of beetle

Caccobius unicornis
Caccobius (Caccophilus) unicornis (Fabricius, 1798) male (13909708174).png
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Scarabaeidae
Genus: Caccobius
Species:
C. unicornis
Binomial name
Caccobius unicornis
(Fabricius, 1798)
Synonyms
  • Copris unicornis Fabricius, 1798
  • Caccobius yamauchii Matsumura, 1936
  • Onthophagus nitidiceps Fairmaire, 1893
  • Onthophagus unicornis Boucomont, 1914

Caccobius unicornis, is a species of dung beetle found in many Asian and South East Asian countries such as: India,[1] Sri Lanka, China,[2] Java, Borneo,[3] Taiwan, Korea, Japan, Myanmar, North Vietnam, Philippines, Sumatra, Java, Borneo, Malaysia, Thailand, and Indochina.[4]

Description

This small, broadly oval and compact beetle has an average length of about 3 to 3.5 mm. Body black or pitchy. Clypeus, elytra, and legs are dark red in color. Antenna and mouthparts yellowish where the upper and lower surfaces with minute pale setae. Head short and broad, with slightly bilobed clypeus in front and rounded at the sides. Pronotum strongly punctured. Elytra are finely striate. Pygidium finely punctured. Legs are short, and the hind tibia broad at the extremity. Male has shiny head with few scattered punctures. Male also bears a short, erect horn with a slight depression behind it. Female head consists with large and small punctures.[4]

It is commonly observed in the intestines of small children that cause the condition called scarabiasis.[5]

References

  1. "New Records to the Species Diversity of Family Scarabaeidae and Hybosoridae (Coleoptera: Scarabaeoidea) of Jabalpur, Madhya Pradesh (India)" (in en). https://www.researchgate.net/publication/268799501. 
  2. Chen, Keh-Miin; Yang, Man-Miao; Tsai, Jing-Fu (2002-12-01). "Dung Beetles (Coleoptera: Scarabaeidae: Scarabaeinae) of Lanyu". https://www.airitilibrary.com/Publication/alDetailedMesh?docid=P20170120001-200212-201702030022-201702030022-53-62. 
  3. Davis, Andrew J.; Huijbregts, Hans (March 2000). [0088:AKBABR2.0.CO;2/Apparent-kleptoparasitic-behaviour-among-Bornean-rainforest-dung-beetles-Coleoptera/10.1649/0010-065X(2000)054[0088:AKBABR]2.0.CO;2.full "Apparent kleptoparasitic behaviour among Bornean rainforest dung beetles (Coleoptera: Scarabaeidae)"]. The Coleopterists Bulletin 54: 88–89. doi:10.1649/0010-065X(2000)054[0088:AKBABR2.0.CO;2]. ISSN 0010-065X. https://bioone.org/journals/the-coleopterists-bulletin/volume-54/issue-1/0010-065X(2000)054[0088:AKBABR]2.0.CO;2/Apparent-kleptoparasitic-behaviour-among-Bornean-rainforest-dung-beetles-Coleoptera/10.1649/0010-065X(2000)054[0088:AKBABR]2.0.CO;2.full. Retrieved 2021-07-18. 
  4. 4.0 4.1 "Caccobius unicornis (Fabricius, 1798)". https://indiabiodiversity.org/species/show/2112. 
  5. Strickland, C.; Roy, D. N. (July 1939). "Scarabiasis or the Presence of Beetles in the Intestine". The Indian Medical Gazette 74 (7): 416–419. PMID 29011819. 

Wikidata ☰ Q14920737 entry