Argosarchus | |
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Argosarchus horridus by William Wing | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Phasmatodea |
Family: | Phasmatidae |
Subfamily: | Phasmatinae |
Tribe: | Acanthoxylini |
Genus: | Argosarchus Hutton, 1898 |
Species: | A. horridus |
Binomial name | |
Argosarchus horridus (White, 1846) | |
Synonyms [1] | |
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Argosarchus is a monotypic genus in the family Phasmatidae containing the single species Argosarchus horridus, or the New Zealand bristly stick insect, a stick insect endemic to New Zealand (Argosarchus spiniger is now considered a junior synonym of A. horridus). [1] [2] The name "horridus" means bristly in Latin, likely referring to its spiny thorax.
Females can reach up to 20 centimetres (7.9 in) (but are usually 12–15 cm), making this endemic species the longest New Zealand insect. [3] A distinguishing feature is the coxa of the two forelegs is purple or pink. Females are much larger than males and have a visibly spiny thorax. Males are much skinnier and shorter, usually up to 10 centimetres (3.9 in). The colour of A. horridus ranges from pale white to dark brown, with females usually being grey and males being a dark greenish-brown or dark brown. [4] Males have longer spines but less of them. [5]
Like many other New Zealand stick insects, A. horridus is facultatively parthenogenetic. [1] [6] Because of that, some populations consist of only females who reproduce asexually, while other populations have both males and females and can reproduce by either asexual or sexual reproduction. [7] Adults hatch in early summer and can be seen hanging off their host plant, feeding on it. They are mostly active at night, with males actively searching for females.
Males will mate with females by climbing on to their back, and using the toothed claspers near their genitalia to attach and begin copulation. Males may remain clasped onto a female, even if not mating, in order to mate-guard. Mature females lay eggs continuously throughout their adult life, indiscriminately dropping them to the ground. The large eggs resemble plant seeds, and are well-camouflaged on the forest floor. [8] Eggs hatch in early spring, and nymphs resemble miniature adults. Like other stick insects, A. horridus is hemimetabolous, and nymphs grow by moulting, going through six instars until final adulthood.
A. horridus is found throughout much of the North Island, as well as some parts of the South Island. It is present in coastal areas from sea level to at least 900 m a.s.l. The species is absent in the central South Island and in high-altitude areas. It has also been found on a number of offshore islands, including the Chatham Islands. On the Chatham Islands only females occur [1] and this population was once considered a different species (A. schauinslandi). [9] It can be found in gardens on ramarama ( Lophomyrtus bullata ) and in the wild on native and introduced Rubus species (Rosaceae) and climbing rata ( Metrosideros perforata ). [3] Because of its wide distribution, range of host plants and the various habitats it is found in, A. horridus is considered an ecological generalist. [1] [6]
Damselflies are flying insects of the suborder Zygoptera in the order Odonata. They are similar to dragonflies but are usually smaller and have slimmer bodies. Most species fold the wings along the body when at rest, unlike dragonflies which hold the wings flat and away from the body. Damselflies have existed since the Late Jurassic, and are found on every continent except Antarctica.
The Phasmatodea are an order of insects whose members are variously known as stick insects, stick-bugs, walkingsticks, stick animals, or bug sticks. They are also occasionally referred to as Devil's darning needles, although this name is shared by both dragonflies and crane flies. They can be generally referred to as phasmatodeans, phasmids, or ghost insects, with phasmids in the family Phylliidae called leaf insects, leaf-bugs, walking leaves, or bug leaves. The group's name is derived from the Ancient Greek φάσμα phasma, meaning an apparition or phantom, referring to their resemblance to vegetation while in fact being animals. Their natural camouflage makes them difficult for predators to detect; still, many species have one of several secondary lines of defense in the form of startle displays, spines or toxic secretions. Stick insects from the genera Phryganistria, Ctenomorpha, and Phobaeticus include the world's longest insects.
Extatosoma tiaratum, commonly known as the spiny leaf insect, the giant prickly stick insect, Macleay's spectre, or the Australian walking stick, is a large species of Australian stick insect. The species has the Phasmid Study Group number PSG9.
Heteropteryx is a monotypic genus of stick insects containing Heteropteryx dilatata as the only described species. and gives its name to the family of the Heteropterygidae. Their only species may be known as jungle nymph, Malaysian stick insect, Malaysian wood nymph, Malayan jungle nymph, or Malayan wood nymph and because of their size it is commonly kept in zoological institutions and private terrariums of insect lovers. It originates from the Malay Archipelago and is nocturnal.
The chorus cicada, Amphipsalta zelandica, is the most common species of cicada in New Zealand, where it is endemic and found in most areas. They typically live in forests and areas with open bush, where their left-over nymph skins can be seen on tree trunks and branches during the summer months. The males produce their cicada sound in unison, which can reach deafening proportions at the height of their population around February. Groups of cicada can suddenly transition from the typical cicada sound to synchronised clicks, using their wings to clap against the surface they are sitting on.
Eurycnema goliath, commonly known as the goliath stick insect, or the regal stick insect, is a large species of stick insect in the family Phasmatidae, endemic to Australia and considered one of the largest species of stick insects in the country. The species has the Phasmid Study Group number PSG14.
Anchiale austrotessulata, the tessellated stick insect, tessellated phasmid or tessulata stick insect, is a medium-sized, stick insect found in the Brisbane area of Australia. Fully grown males in mating season exhibit frenetic behaviour. This species is also parthenogenetic.
Achrioptera fallax is a stick insect species found in Madagascar. It has frequently been confused with A. manga, a species that only was scientifically described in 2019; for example, captive stock of "A. fallax" is generally A. manga.
Austrolestes colensonis, commonly known as the blue damselfly, is a species of damselfly of the family Lestidae. It is endemic to New Zealand and can commonly be found throughout the country, and at any time of the year. It is New Zealand's largest damselfly, and only blue odonate.
Clitarchus hookeri, is a stick insect of the family Phasmatidae, endemic to New Zealand. It is possibly New Zealand's most common stick insect. Clitarchus hookeri is often green in appearance, but can also be brown or red. Alongside the prickly stick insect and the Unarmed stick insect, C. hookeri is one of three stick insect species to have become naturalised in Great Britain, with all three having originated in New Zealand.
Acanthoxyla prasina, the prickly stick insect, is a stick insect in the order Phasmatodea and the family Phasmatidae. It is native throughout New Zealand, although it is less frequently reported than "common" stick insect species. It has been introduced to Britain, predominantly Cornwall and Devon, and to the south-west region of the Republic of Ireland. It has a thorny skin, which is used as camouflage.
Acanthoxyla inermis is an insect that was described by John Salmon in 1955. Acanthoxyla inermis is included in the genus Acanthoxyla, and family Phasmatidae. No subspecies are listed. This species is native to New Zealand but has been unintentionally moved to Great Britain where it has grown a stable population and is the longest insect observed in the UK, and the most common of the stick insects that have established themselves on the island.
Sungaya is a genus of stick insects which is endemic to the Philippine island of Luzon.
Psyttala horrida is an insect in the assassin bug genus Psyttala. It is commonly called the horrid king assassin bug or giant spiny assassin bug, and the scientific name is commonly misspelled as Psytalla.
Mearnsiana is a genus of stick insects, which is native to the Philippine islands Mindanao, Leyte and Dinagat.
Trachyaretaon carmelae is a species of stick insects. It is one of the largest in the subfamily Obriminae.
Tisamenus serratorius is a stick insect species that occurs on the Philippine island Luzon.
Brasidas cavernosus is a representative of the stick insects native to the Philippine island Luzon. It is considered one of the largest species in the subfamily Obriminae.
Haaniella echinata is a stick insect species that is native to the entire north of Borneo. After Haaniella scabra, it is the representative of the genus Haaniella that inhabits the highest biotopes on Borneo.