Cantao ocellatus

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Cantao ocellatus
Scientific classification
C. ocellatus
Binomial name
Cantao ocellatus
(Thunberg, 1784)

Cantao ocellatus is a species of shield bug in the family Scutelleridae found across Asia. Reddish or ochre in overall colour it has dark legs and bluish black antennae. A dark bluish black stripe is present along the central line of the head. The pronotum sometimes has two black spots on the front margin and sometimes has eight spots. The scutellum has eight or six black spots of variable size but with yellowish borders. The lateral angle of the pronotum is elongated into a curved spine but this can be much reduced.[1] A distinctive symbiotic species of Gammaproteobacteria is found in its midgut.[2] Maternal care of eggs and nymphs has been noted in this species.[3] The female covers the eggs after they are laid but eggs on the edge that she cannot cover are often parasitized by wasps.[4]

Cantao ocellatus from Anaimalai hills

They suck sap from a wide range of plants including Macaranga,[1] Kigelia,[4] Mallotus,[5] Bischofia javanica and Broussonetia papyrifera.


  1. ^ a b Distant WL (1902). "Fauna of British India. Rynchota. Volume 1". London: Taylor and Francis: 43. Cite journal requires |journal= (help)
  2. ^ Kaiwa, N.; T. Hosokawa; Y. Kikuchi; N. Nikoh; X. Y. Meng; N. Kimura; M. Ito & T. Fukatsu (2010). "Primary gut symbiont and secondary, Sodalis-allied symbiont of the scutellerid stinkbug Cantao ocellatus". Applied and Environmental Microbiology. 76 (11): 3486–3494. doi:10.1128/AEM.00421-10. PMC 2876435. PMID 20400564.
  3. ^ Takahashi, R. (1921). "Parental care of Cantao ocellatus Thunbg". Transactions of the Natural History Society of Formosa. 11: 81–86.
  4. ^ a b Ayyar, T. V. R. (1920). "Notes on the life-history of Cantao ocellatus, Th.". Report of the Proceedings of the Third Entomological Meeting Held at Pusa on the 3rd to 15th February 1919. Vol. III. Superintendent Government Printing, Calcutta, India. pp. 910–914.
  5. ^ Leong, Tzi Ming; Lee, Benjamin P.Y-H. (2012). "Records and natural history of the ocellated shield bug, Cantao ocellatus (Thunberg) in Singapore, with observations on egg guarding, hatching, parasitoids, moulting, feeding, and mating (Hemiptera: Scuttelleridae: Scutellerinae)" (PDF). Nature in Singapore. 5: 249–262.