 Cosmiomma hippotamensis female (Copyright Walker et al. 2003, 2007) (click on thumbnail for larger image). |
 Cosmiomma hippotamensis male (Copyright Walker et al. 2003, 2007) (click on thumbnail for larger image). |
Number of species in genus
1 species (Barker & Murrell 2004)
Species list
C. hippopotamensis (Denny, 1843)
Identifying features of genus
Adults
- Anal groove: Inapparent in male; In female surrounds the anus closely then passes back as single median groove
- Eyes: Present
- Festoons: Present numbering with 11 indicated in female and 9 indistinct festoons indicated in male
- Basis capituli: Subtriangular
- Ornamentation: Extensive ornamentation on palps, basis capituli, scutum and legs (extensive golden yellow pattern on brown base).
- Legs: ventrally deep red
- Palpi: long with article 2 being appreciably narrower than article 3
- Hypostome: long with 3/3 dentition
- Spiracles: Spriacular plate with irregular ridges
- Ventral plates (males only): One pair of adanal shields only, no accessory and subanal shields
Nymphs
- This section needs to be updated
Larvae
- Anal groove: Absent
- Palpi: Moderately elongate (>2.5x width) and articles 2 and 3 not fused
- Lateral large wax glands: Present and located between setae s6 (Md3) and S1 (Md4) and gland unpaired
- Festoons: Present and numbering 11
- Eyes: Present
- Post hypostoma setae: 1 pair
- Parma: Without lyrifissure pair iSv6 present
Species occuring in New Zealand
As of June 2008 no species from this genus have recorded as being resident in New Zealand
Species previously intercepted at border
As of June 2009 no species from this genus have been intercepted at New Zealands border
General comments
Rare genera that is unlikely to be intercepted at at New Zealands borders
- Single specie genus
- Range restricted to southern Africa
- Types from hippopotamus but the black rhinoceros is probably the main host
- No known economic importance
Useful references
Arthur DR 1960. Ticks a monograph of the Ixodoidae. Part 5 On the genera Dermacentor, Anocentor, Cosmiomma, Boophilus and Margaropus. Cambridge University Press, London.
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).
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.