Bacotoma

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Bacotoma
Systematics
Class : Insects (Insecta)
Order : Butterflies (Lepidoptera)
Superfamily : Common moth (Pyraloidea)
Family : Crambidae
Subfamily : Spilomelinae
Genre : Bacotoma
Scientific name
Bacotoma
Moore , 1885

Bacotoma is a Butterfly - genus in the subfamily spilomelinae the family Crambidae . It currently comprises eleven species , which are distributed from India and Sri Lanka via China and Southeast Asia to Australia .

features

The moths have relatively narrow fore wings and broad, almost triangular hind wings. The wing color is inconspicuous and consists mainly of brown and beige tones. The antemedian and post-median lines as well as the inner and especially the outer discoidal spot are well developed on the forewings. The post-median line is clearly pronounced on the hind wings, occasionally also the discoidal spot. The males have a long, narrow abdomen , which in most species is equipped at the rear end with a conspicuous pair of anal tufts and a prominent black and white drawing of the abdominal tergite 6 or 7 to 8. The male genitals have oval to lanceolate shaped valves, which are characterized by complex sclerosis of the fibula and sacculus. The uncus consists of two narrow, elongated arms that narrow or widen slightly towards the tip. The phallus or aedeagus is simple, sclerotized, and bears a single needle-shaped cornutus. The female genitalia consist of a simple, sac-like corpus bursae with one or two small sclerotized plates ("signa", singular "signum"), a slender ductus bursae with a granular surface, and a small, sclerotized antrum. A typical feature of the genus are the pleural pockets of the sternite 7 of the females, which are densely covered with short microtricha.

The moths of the genus Bacotoma externally resemble species of the genera Bradina , Herpetogramma and Syngamia , with which they share a similar wing color and markings. The identification of the moths and their differentiation from externally similar species is possible using molecular genetic methods such as DNA barcoding and by preparing and examining the genitals. Bacotoma is characterized by three supposedly apomorphic features of the genitals: in males the clearly forked juxta with slender arms that each end in a small hook, as well as the broad, lobe-like transtillum arms, which extend dorsad over the costal edge of the valves, and in females the deep, microtricha-covered pleural pockets of the sternite 7.

The larval stages of Bacotoma have not yet been scientifically described.

Way of life

The caterpillars of Bacotoma illatalis and Bacotoma ampliatalis were bred on Celtis philippensis ( Cannabaceae ) and Strychnos minor ( Loganiaceae ) in Papua New Guinea .

species

Synonyms

The generic name Platamonia Lederer , 1863 is a synonym for the generic name Bacotoma , which has priority over the younger (i.e. later published) name. The name Platamonina J. C. Shaffer & Munroe , 2007 was published as a replacement name for Platamonia , since this name was already given to another group of organisms before Lederer's description of 1863, namely to Platamonia Busch , 1851, a genus of marine flatworms .

swell

Individual evidence

  1. ^ A b Matthias Nuss, Bernard Landry, Richard Mally, Francesca Vegliante, Andreas Tränkner, Franziska Bauer, James Hayden, Andreas Segerer, et al .: Global Information System on Pyraloidea (GlobIZ) . 2003-2019. Archived from the original on March 3, 2016. Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved August 25, 2019. @1@ 2Template: Webachiv / IABot / www.pyraloidea.org
  2. a b c d e Zhaofu Yang, Misbah Ullah, Jean-François Landry, Scott E. Miller, Margaret E. Rosati, Yalin Zhang: Reassessment of the moth genus Bacotoma, with a new species from Hainan Island (Lepidoptera: Crambidae: Spilomelinae ) . (PDF) In: Insect Systematics & Evolution . January 2019, pp. 1–24. doi : 10.1163 / 1876312X-00002205 .