Melicytus oblongifolius (A. Cunn) P. S. Green

Melicytus oblongifolius

Distribution:

Norfolk Islands: Norfolk Island

local names: –

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Callopistria maillardi (Guenée)

White Tangle Fern Moth (Callopistria maillardi)

Distribution:

Austral Islands: Rapa
Cook Islands: Rarotonga
Fiji: Leleuvia, Moce, Naukacuvu, Rotuma, Taveuni, Vanua Levu, Viti Levu, Viwa, Yasawa
New Zealand: Raoul Island (Kermadec Islands)
Norfolk Islands: Norfolk Island
Samoa: Savai’, Tutuila, ‘Upolu
Society Islands: Tahiti
Tonga

local names: –

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The White Tangle Fern Moth was described in 1862, it is an Indo-pacific species that occurs in parts of Africa to Asia and Australia well into eastern Polynesia.

There are several synonyms that formerly were thought to constitute distinct species and subspecies, some of which were believed to be endemic to single islands or island groups.

The species reaches a wingspan of 2,7 to about 3 cm.

The caterpilars feed on several endemic, native or even introduced fern species including Adiantum, Asplenium, Lygodium, Microsorum, Nephrolepis and Pellaea spp.. [1][2]

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The species is also known from the Hawaiian Islands, but is very likely not native to these islands.

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Refrences:

[1] Gaden S. Robinson: Macrolepidoptera of Fiji and Rotuma: a taxonomic and biogeographic study. Classey 1975
[2] Ministry of Natural Resources and Environment, Conservation International Pacific Islands Programme: Rapid Biodiversity Assessment of Key Biodiversity Areas: Falealupo Peninsula Coastal Rainforest, Central Savaii Rainforest, and Uafato-Tiavea Coastal Rainforest, Samoa. Apia, Samoa 2017

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edited: 05.01.2019

Adversaeschna brevistyla (Rambur)

Blue-spotted Hawker (Adversaeschna brevistyla)

The Blue-spotted Hawker was described in the year 1842, it is the only member of its genus.

The species is widespread across Australia, New Zealand and the Norfolk Islands, here it prefers relatively large lakes and other standing water with tall bankside vegetation, but is often found far from water.

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adversaeschna-brevistyla-nzn

Depiction from: ‘G. V. Hudson: New Zealand Neuroptera: A popular Introduction to the Life Histories and Habits of May Flies, Dragon Flies, Caddis Flies and allied Insects inhabiting New Zealand, including Notes on their relation to Angling. London: West, Newman & Co. 1904′

http://www.biodiversitylibrary.org

Agriocnemis exsudans Sélys

Narrow-winged Damselfly (Agriocnemis exsudans)

The genus Agriocnemis comprises about 40 species, two of which occur within the Polynesian region.

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The Narrow-winged Damselfly shows a wide distribution, which stretches from Australia across Melanesia up to Polynesia, were it is found on the Norfolk Islands, in Fiji, Samoa, and Tonga, and on the Cook Islands. [1][2][3][4]

The species reaches a body length of about 3 cm.

The species mainly inhabits standing waters, but it can also be found at very slow flowing stream sections.

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The name Agriocnemis vitiensis Tillyard is a synonym for this species.

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References:

[1] N. Mary; A. Dutartre; P. Keith; G. Marquet; P. Sasal: Biodiversité des Eaux Douces de Wallis et Futuna; Mission d’Octobre 2004. Rapport Final, Ministère de l’Outre-Mer 2006
[2] C. Morrison; S. Nawadra; M. Tuiwawa: A rapid biodiversity assessment of the Nakorotubu Range, Ra and Tailevu Provinces, Fiji. RAP Bulletin of Biological Assessment 59. Conservation International, Arlington, VA, USA 2009
[3] Milen Marinov: Contribution to the Odonata of the Kingdom of Tonga. Faunistic Studies in South-East Asia and Pacific Island Odonata 1: 1-18. 2013
[4] Milen Marinov; Mark Schmaedick; Dan Polhemus; Rebecca L. Stirnemann; Fialelei Enoka; Pulemagafa Siaifoi Fa’aumu; Moeumu Uili: Faunistic and taxonomic investigations on the Odonata fauna of the Samoan archipelago with particular focus on taxonomic ambiguities in the “Ischnurine complex”. Journal of the International Dragonfly Fund 91: 1-56. 2015

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agriocnemis-exsudans-dmm

Photo: Dr. Milen Marinov; by courtesy of Dr. Milen Marinov

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edited 03.03.2017

Cenchrus caliculatus Cav.

Cenchrus caliculatus

Distribution:

Austral Islands: Raivavae, Rapa
Cook Islands: Miti’aro, Rarotonga
Fiji: Batiki, Fulaga, Gau, Kabara, Koro, Mago, Matuku, Nairai, Ovalau, Taveuni, Totoya, Vanua Balavu, Vanua Levu, Vatulele, Viti Levu, Wakaya
Gambier Islands: Aukena, Mangareva, Manui, Motu Teiku
Marquesas: Eiao, Fatu Hiva, Nuku Hiva
New Zealand: Raoul Island (Kermadec-Inseln)
Norfolk Islands: Norfolk Island (ex)
Samoa: Savai’i (ex), Tutuila (ex), ‘Upolu (ex)
Society Islands: Bora Bora, Huahine, Mai’ao, Maupiti, Mo’orea, Ra’iatea, Tahiti
Tonga: ‘Eua, Nomuka, Tofua, ‘Uta Vava’u
Tuamotu Archipelago: Makatea

local names:

parango maori (?) – Miti’aro / Cook Islands
piripiri – Society Islands

Canavalia rosea (Sw.) DC.

Canavalia rosea

Distribution:

Austral Islands: Raivavae, Rimatara, Rurutu, Tubuai
Fiji: Kadavu, Makaluva, Nasoata, Nayau, Nukulau, Nukulevu, Ovalau, Rotuma, Toberua, Vanua Levu, Viti Levu, Waya, Yasawa
Marqueseas: Fatu Hiva, Hiva Oa, Nuku Hiva, Tahuata, Ua Huka, Ua Pou
New Zealand: Kermadec Islands
Niue
Norfolk Islands: Norfolk Island, Phillip Island
Pitcairn Islands: Henderson Island, Pitcairn Island
Samoa: ‘Aunu’u, Fanuatapu, Namu’a, Ofu, Savai’i, Ta’u, Tutuila, ‘Upolu
Society Islands: Tahiti
Tonga: Alakipeau, Fafa, Fukave, Makaha’a, Malinoa, Manima, Monuafe, Onevai, Onevao, Pangaimotu, Polo’a, Tongatapu, Tufuka, Velitoa Hahake, Velitoa Hihifo
Wallis & Futuna: Futuna, ‘Uvea

local names:

dralawa – Fiji
drautolu – Fiji

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References:

[1] Albert C. Smith: Flora Vitiensis Nova: A new flora of Fiji (Spermatophytes only). Vol. 3. Lawai, Kauai, Hawaii 1985

Solanum americanum Mill.

Solanum americanum Mill.

Distribution:

Cook Islands: Aitutaki, ‘Atiu, Mangaia, Ma’uke, Miti’aro, Palmerston, Rakahanga, Rarotonga
Fiji: Fulaga, Kadavu, Rotuma, Taveuni, Viti Levu, Yageta
Hawai’i Islands (?): Hawai’i, Kaho’olawe, Kaua’i, Ka’ula, Kure, Lana’i, Laysan, Lehua, Lisianski, Maui, Midwayi, Moloka’i, Nihoa, Ni’ihau, O’ahu, Pearl and Hermes Reef
New Zealand: Chatham Islands; Great Barrier Island, Sail Rock (Hen and Chicken Islands), Kapiti Island, Kermadec Islands, North Island, Aorangi Island (Poor Knights Islands), South Island, Three Kings Islands, Tiritiri Matangi Island
Niue
Norfolk Islands: Norfolk Island, Phillip Island
Samoa: Fanuatapu (?), Nu’ulua (?), Ofu, Savai’i, Ta’u, Tutuila, ‘Upolu
Tonga: Tongatapu

 

local names:

akari pipiro (?) – Rakahanga / Cook Islands
poporo– New Zealand
poroporo– Aitutaki, Mangaia, Rarotonga / Cook Islands; New Zealand
poroporo puaka– Ma’uke / Cook Islands
poro puaka– ‘Atiu, Mitiaro / Cook Islands
raupeti– New Zealand
remuroa– New Zealand

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This species can be found in the tropical regions almost worldwide, though its native range probably comprises the coastal areas along the tropical Pacific of the Americas, Australia, Melanesia, and probably parts of Polynesia. [1]

The very variable species is about 1,5 m tall and bears small white flowers and glossy black berries.

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References:

[1] Tiina Särkinen; Peter Poczai; Gloria E. Barboza; Gerard M. van der Weerden; Maria Baden; Sandra Knapp: A revision of the Old World Black Nightshades (Morelloid clade of Solanum L., Solanaceae). PhytoKeys 106: 1-223. 2018

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Photo: Kim Starr & Forest Starr; by courtesy of Kim Starr & Forest Starr

http://www.starrenvironmental.com

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edited: 25.09.2018

Samolus repens (J. R. Forst. & G. Forst.) Pers.

Samolus repens

Distribution:

New Zealand: Rangatira Island (Chatham Islands); Great Barrier Island; Kapiti Island; Kermadec Islands; North Island; Aorangi Island (Poor Knights Islands); South Island; Stewart Island; Betsy Island, Big Island, Kundy Island, Poutama Island (Titi Islands)
Norfolk Islands: Nepean Island, Norfolk Island
Pitcairn Islands: Pitcairn Island
Rapa Nui: Rapa Nui

local names:

maakoako – New Zealand
makoako – New Zealand

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Two varieties are known to occur within the Polynesian region, the nominate from New Zealand, the Pitcairn Islands and Easter Island; and var. strictus Cockayne, which occur in New Zealand and on the Norfolk Islands.