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Carystoterpa fingens

Species of true bug From Wikipedia, the free encyclopedia

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

Quick facts Scientific classification, Binomial name ...
Carystoterpa fingens
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Hemiptera
Suborder: Auchenorrhyncha
Family: Aphrophoridae
Genus: Carystoterpa
Species:
C. fingens
Binomial name
Carystoterpa fingens
(Walker, 1851)
Synonyms
  • Ptyelus fingens Walker, 1851
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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

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