Dorsal and ventral views of structures important for the identification of female Nosomma monstrosum (Copyright Arthur and Chaudhuri 1965) (click on thumbnail for larger image).

Dorsal and ventral views of the idiosoma of a female Nosomma monstrosum (Copyright Arthur and Chaudhuri 1965) (click on thumbnail for larger image).

Dorsal and ventral views of structures important for the identification of male Nosomma monstrosum (Copyright Arthur and Chaudhuri 1965) (click on thumbnail for larger image).

Number of species in genus

1 species (Barker & Murrell 2004)

Species list

N. monstrosum (Nuttall & Warburton, 1908)

Identifying features of genus

Adults

• Anal groove: Present and embracing the anus posteriorly
• Eyes: Present
• Festoons: Present
• Basis capituli: Hexagonal
• Ornamentation: Ornate
• Palpi:  Short and broad, ornate, Palp article 3 with a dorsal and ventral flange
• Ventral plates (males only): Adanal, subanal and accessory plate present

Larvae

• Anal groove: Absent
• Palpi: Moderately elongate (>2.5x width)
• Lateral large wax glands:  Present and located between setae S1 (Md4) and S2 (Md5)
• Added or additional large wax glands: None
• Festoons: Present and numbering 9
• Eyes: Present
• Post hypostomal setae: 1 pair

Species occuring in New Zealand

As of June 2008 N. monstrosum is not recorded as being resident in New Zealand.

Species that are considered to be a risk

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Species previously intercepted at border

As of June 2009 no specimens of N. monstrosum have been intercepted at New Zealands border.

General comments

Rare genera that is unlikely to be intercepted at New Zealands borders.  However, the reader needs to be aware of N. monstrosum as it occasionally attacks humans.

• 1 species (N. monstrosum)
• Occurs from India and Sri lanka eastwards to Laos
• Hosts are cattle, buffalo, horses, boar and occasionally humans
• No known economic importance
  

Useful references

Barker SC & Murrell A  2004.  Systematics and evolution of ticks with a list of valid genus and species names.  Parasitology, 129: S15-S36.

Camicas, JL, hervy JP, Adam, F & Morel PC 1998.  Les Tiques de Monde.  Nomenclature, stades decrits, hotes, repartition.  The ticks of the world.  Nomenclature, described stages, hosts, distribution (Acarida, Ixodida). France , Orstom Editions.

Horack IG, Camicas, J-L & Kierans, JE 2002. The Argasidae, Ixodidae and Nuttalliellidae (Acari: Ixodida): a world list of valid tick names.  Experimental and Applied Acarology, 28: 27-54.