Biology:Carystoterpa fingens

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Short description: Species of true bug

Carystoterpa fingens
Carystoterpa fingens 106530018.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Suborder: Auchenorrhyncha
Family: Aphrophoridae
Genus: Carystoterpa
Species:
C. fingens
Binomial name
Carystoterpa fingens
(Walker, 1851)
Synonyms
  • Ptyelus fingens Walker, 1851

Carystoterpa fingens, commonly known as the variegated spittlebug, is a spittlebug of the family Aphrophoridae.[1] It is endemic to New Zealand.

Taxonomy

C. fingens was first described by Francis Walker in 1851 using a specimen collected by William Colenso and was originally named Ptyelus fingens.[2] In 1966 John William Evans placed this species in the genus Carystoterpa.[3] The lectotype specimen, assumed to have been collected in the Auckland vicinity by Colenso, is held at the Natural History Museum, London.[1]

Description

Walker originally described this species as follows:

Yellow, shining: head and chest flat: head concave along the hind border, more convex in front where it has a slight notch on each side ; its length less than half its breadth ; face convex, almost oval, with a punctured middle stripe, on each side of which are nine shallow oblique cross ridges ; epistoma slightly keeled : mouth tawny, reaching to the middle hips ; maxillae ferruginous ; chest punctured, slightly impressed across in front, with a pitchy stripe extending on each side from the eye to the base of the forewing ; abdomen tawny ; tips of the feet pitchy : fore-wings whitish, pale tawny towards the hind border, with an undulating ferruginous stripe, which extends through the disk from the base to the tip ; hind-wings colourless ; veins pale yellow. Length of the body 2 lines ; of the wings 6 lines.[2]

C. fingens is very variable in appearance.[1]

Carystoterpa fingens observed in New Plymouth, New Zealand in 2023
A specimen of Carystoterpa finges from the MAF Plant Health & Environment Laboratory, New Zealand

Distribution

C. fingens is endemic to New Zealand.[4] The species has been observed in the North, South and Stewart Islands as well as many of the off shore islands of New Zealand.[5][1]

Habitat

This species tends to inhabit coastal localities.[1]

Hosts

The adults of this species feed on a variety of plant species[1] including species in the genus Hieracium[6] and grape leaves (Vitis vinifera Sauvignon blanc).[7] Individuals of C. fingens fed on all four potential host plants studied in a controlled experiment, including Hebe pubescens, Arthropodium cirratum, Dietes bicolor and Brassica oleracea.[8]

Human interactions

C. fingens is regarded by New Zealand's Ministry of Primary Industries as a likely vector of Xylella, a serious bacterial disease that is fatal to grape vines.[9]

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Hamilton, K. G. A.; Morales, C. F. (1992). "Cercopidae (Insecta: Homoptera).". Fauna of New Zealand 25: 1–37. https://biotaxa.org/fnz/article/viewFile/1784/2949. 
  2. 2.0 2.1 Walker, Francis (1851). "Part III." (in en). List of the Specimens of Homopterous Insects in the Collection of the British Museum 3: 637–1118. doi:10.5962/bhl.title.9063. https://www.biodiversitylibrary.org/page/9619715. 
  3. , pp. 323 , Wikidata Q54571205
  4. "Carystoterpa fingens (Walker, 1851) - Biota of NZ". https://biotanz.landcareresearch.co.nz/scientific-names/ff7728ef-e00a-449e-9890-1e390e042fc1. 
  5. "Carystoterpa fingens (Walker, 1851)" (in en). https://www.gbif.org/species/2016943. 
  6.  , Wikidata Q112808160
  7. Sandanayaka, W. R. M.; Nielsen, M.; Davis, V. A.; Butler, R. C. (2017-08-08). "Do spittlebugs feed on grape? Assessing transmission potential for Xylella fastidiosa". New Zealand Plant Protection 70: 31–37. doi:10.30843/NZPP.2017.70.23. https://www.wikidata.org/wiki/Q124215165. 
  8. Sandanayaka, Manoharie; Chhagan, A.; Ramankutty, P. (2007-08-01). "Host plant testing of the spittle bug carystoterpa fingens by stylet penetration behaviour". New Zealand Plant Protection 60: 78–84. doi:10.30843/NZPP.2007.60.4613. https://www.wikidata.org/wiki/Q124215091. 
  9. Marshall, Kate (2018-07-30). "Serious risks: 4 pests & diseases MPI says to watch out for" (in en). https://www.stuff.co.nz/life-style/homed/garden/105853200/serious-risks-4-pests--diseases-mpi-says-to-watch-out-for. 

External links

Wikidata ☰ Q13456634 entry