Methana marginalis explained

Methana marginalis, also known as the common methana[1] and the bush cockroach,[2] is a species of cockroach native to the Queensland coast of Australia. The species was first described as Periplaneta marginalis by Henri Louis Frédéric de Saussure in 1864. The species was introduced to Norfolk Island in the mid-to-late 20th century, and in the 21st century has increasingly been seen in the southeastern Australia.

Description

Methana marginalis is a relatively large cockroach species, with adult specimens measuring approximately . It is dark brown in colour, with a light yellow band around the edge of its body, yellow-brown coloured legs, and tegmen completely covering the abdomen.

Taxonomy

Methana marginalis was first described by Henri Louis Frédéric de Saussure in 1864, who named the species Periplaneta marginalis, based on specimens that had been collected from Australia in 1845 and 1846.[3] [4] William Forsell Kirby placed the species within the genus Methana in 1904.[5]

Distribution and habitat

The species is commonly found in coastal Queensland, Australia, including K'gari / Fraser Island,[4] and since the mid-2000s has increasingly been seen in Sydney, New South Wales. Since the 1990s, the species had been identified in Tasmania and in Victoria by the 2010s.[6] It is commonly found in forested areas of Norfolk Island,[7] where it is suspected to have been introduced from Queensland via nursey plant stock in the mid-to-late 20th century. The species had become common on the island by 1988.[7]

Methana marginalis has also been identified in Buho Cave in General Luna, Surigao del Norte in the Philippines,[8] and in New Zealand.[6]

The species is typically found under the bark of dead trees, and among foliage, especially common in banana plantations.[7] By the 2000s, the species had increasingly been reported to be adapting to live within Australian homes, and outcompeting the German cockroach.[9] [10]

Behaviour

Females of the species attach oothecae (egg capsules) to the undersides of loose bark and leaf litter, and cover the oothecae with debris.[11]

Parasites

The species is host to the parasitic worm species Beatogordius lineatus.[2]

Notes and References

  1. Web site: Methana marginalis (Saussure, 1864) . 26 May 2024 . .
  2. 10.1023/B:SYPA.0000019084.58675.e0. 1573-5192. 57. 3. 173–181. Schmidt-Rhaesa. Andreas. Bryant. Malcom S.. Filling the Gondwana gaps: new species and new reports of Beatogordius Heinze, 1934 (Nematomorpha) from Australia and Madagascar. Systematic Parasitology. 2024-05-26. 2004-03-01.
  3. Blattarum novarum species aliquot . Latin . de Saussure . H. . Henri Louis Frédéric de Saussure . 1864 . Revue et magasin de zoologie pure et appliquée . 16 . Paris . Bureau de la Revue et Magasin de Zoologie . 319.
  4. 10.1071/zo9680511. 1446-5698. 16. 3. 511–575. Mackerras. M. J.. Australian Blattidae (Blattodea) IX. Revision of the Polyzosteriinae tribe Methanini, Tryonicinae, and Blattinae. Australian Journal of Zoology. 2024-05-26. 1968.
  5. Book: A synonymic catalogue of Orthoptera . 10.5962/bhl.title.6745 . Kirby . W. F. . William Forsell Kirby . 1904 . London . . 136.
  6. 4388055. Methana marginalis (Saussure, 1864) . 25 May 2024.
  7. 10.1071/it9881013. 1447-2600. 2. 8. 1013–1077. Rentz. D. C. F.. The Orthopteroid insects of Norfolk Island, with descriptions and records of some related species from Lord Howe Island, South Pacific. Invertebrate Systematics. 2024-05-26. 1988.
  8. 2066-7671. 6. 2. 72–79. Mag-Usara. Vanessa Rona P.. Nuñeza. Olga M.. Diversity and relative abundance of cockroaches in cave habitats of Siargao Island, Surigao del Norte, Philippines. Extreme Life, Biospeology and Astrobiology. 2014.
  9. 10.1016/S0262-4079(11)60868-3. 0262-4079. 210. 2808. 40–42. Zukerman. Wendy. The secret superpower of the cockroach. New Scientist. 2024-05-26. 2011-04-16.
  10. Web site: Germans retreat in battle for the kitchen bench . Richard . Macey . . 14 March 2007 . 26 May 2024.
  11. 0312-3162. 19. 327–364. Roth. Louis M.. New cockroach species, redescriptions, and records, mostly from Australia, and a description of Metanocticola christmasensis gen. nov., sp. nov., from Christmas Island (Blattaria). Records of the Western Australian Museum. 1999.

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