Paysandisia archon

Paysandisia archon is a moth of the family Castniidae. It is native to Uruguay and central Argentina and has been accidentally introduced to Europe, where it is spreading rapidly. It is considered the only member of the genus Paysandisia.

Paysandisia archon
P. archon male
P. archon female
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Castniidae
Subfamily: Castniinae
Tribe: Gazerini
Genus: Paysandisia
Houlbert, 1912
Species:
P. archon
Binomial name
Paysandisia archon
(Burmeister, 1880)
Synonyms
  • Castnia archon Burmeister, 1879
  • Castnia josepha Oberthür, 1914

German naturalist Hermann Burmeister described the species in 1879 as Castnia archon.

This is a very large moth with a wingspan of 90–110 mm. The forewings are dark green with brown streaking, the hindwings are bright red with bold black and white markings. The females, generally larger than the males, are easily recognized by the prominent ovipositor. Like other castniids, this species flies by day and has clubbed antennae and is easily mistaken for a butterfly. The adults fly from June to September.

The larva is whitish and maggot-like and feeds in the stems and trunks of palms (see list below for recorded food plants). In its natural range, the damage done by the larvae is unobtrusive and the species is not considered a pest but the species is causing increasing concern in Europe because of the sometimes fatal damage being caused to native and exotic palms. The species pupates in a cocoon incorporating palm fibres within the larval gallery.

Invasive species

Since arriving in the Southern France in the mid-1990s (probably in mature specimens of Trithrinax from Argentina), it has spread along the Mediterranean coast to parts of Spain, Italy, Greece and Cyprus[1][2] and it is feared that without effective control, it could spread to areas where palms grow throughout the region. (It is absent from Albania but global warming may make it suitable habitat in 2020–2039.)[2]

One has also been reported from England, in West Sussex in 2002 and 2009 in Northern Ireland.[2] Both UK introductions were eradicated.[2] A survey shows it is absent from the Netherlands.[2] The species was first reported on Russia's Black Sea coast in 2014,[3] and by 2016 had been implicated in the death of over 200 palm trees in Sochi.[4]

Recorded food plants

Natural range

Introduced range
  • Habitat
    Habitat
  • Larva (80 mm) of Paysandisia archon in its gallery
    Larva (80 mm) of Paysandisia archon in its gallery
  • Larva
    Larva
  • Cocoon
    Cocoon
  • Pupa
    Pupa
  • Damage on palm trees by Paysandisia archon larvae
    Damage on palm trees by Paysandisia archon larvae
  • Paysandisia archon in South West France
    Paysandisia archon in South West France

Notes
  1. Research Gate: First report of the palm borer Paysandisia archon (Burmeister 1880) (Lepidoptera: Castniidae) in Cyprus
  2. Muñoz‐Adalia, Emigdio Jordán; Colinas, Carlos (2020-03-18). "The invasive moth Paysandisia archon in Europe: Biology and control options". Journal of Applied Entomology. Wiley. 144 (5): 341–350. doi:10.1111/jen.12746. ISSN 0931-2048. S2CID 216485897.
  3. Карпун, Н. Н.; Игнатова, Е. А.; Журавлёва, Е. Н. (2015). Новые виды вредителей декоративных древесных растений во влажных субтропиках Краснодарского края [Species of pests on ornamental woody plants in humid subtropics new for Krasnodar Kray (Russia)] (PDF). Известия Санкт-Петербургской лесотехнической академии (in Russian) (211): 187–203. Archived from the original (PDF) on 30 October 2017. Retrieved 29 October 2017.
  4. Фунтиков, Илья (16 May 2017). Пальмовый мотылек, огневка, листоблошка и другие. Наш Дом Сочи (in Russian). Retrieved 29 October 2017.

References
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