Thelacantha brevispina (Doleschall 1857)
- Dataset
- A review of the taxonomy of spiny-backed orb-weaving spiders of the subfamily Gasteracanthinae (Araneae, Araneidae) in Thailand
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Araneae
- family
- Araneidae
- genus
- Thelacantha
- species
- Thelacantha brevispina
diagnosis
Diagnosis. Sternum black. Sternal band various in shape. Abdomen octagonal, slightly wider than long. Color pattern on dorsal abdomen various but frequently with two large white spots. Three pairs of abdominal spines similar in shape, tubercle with small protuberance at the tip. Ventral side of abdomen black, with scattered yellowish stripes. Ten anterior edge sigilla subequal in size. Four median sigilla arranged in a trapezoid. Ten posterior edge sigilla, the middle pair very small, and close together. Outer posterior edge with five sigilla, located near posterior spines. Epigynum relatively simple in shape with bracket-shaped scape (Fig. 12 K). Spermathecae oval, placed close together (Fig. 12 J, K). Fertilization duct short, emerging posteriorly from spermathecae (Fig. 12 J).
distribution
Distribution and habitat. India, Pakistan, Bangladesh, Sri Lanka China, Taiwan, Japan, Korea, Myanmar, Thailand, Malaysia, Indonesia (Ambon, Java, Sumatra, and Sulawesi), Philippines, New Guinea, Australia, Fiji, Mauritius, French Polynesia, Hawaii, and Madagascar (Emerit 1974; Tikader 1982; Yin et al. 1997, 2012; World Spider Catalog 2020). In this study, Thelacantha brevispina was found widely dispersed in coastal areas. They were commonly found in mangrove forests along the Inner Gulf of Thailand, but one population was found in the mountainous area in Phu Ruea District, Loei Province, which is far from the sea. These spiders build a vertical web between trees in open areas and sit at the center of the web.
materials_examined
Material. Thailand • 4 ♀; Samut Sakhon Province, Khok Kham District; 13 ° 29.27 ' N, 100 ° 20.13 ' E; MUMNH-ARA-THE 003 • 3 ♀; Phetchaburi Province, Ban Laem District; 13 ° 02.55 ' N, 100 ° 05.55 ' E; MUMNH-ARA-THE 004 • 5 ♀, 2 ♀ juvenile; Surat Thani Province, Ko Pha-ngan District, Koh Tao Is.; 10 ° 04.07 ' N, 99 ° 49.16 ' E; MUMNH-ARA-THE 005 • 5 ♀; Loei Province, Phu Ruea District, Lat Khang; 17 ° 31.55 ' N, 101 ° 15.33 ' E; MUMNH-ARA-THE 007 • 5 ♀; Samut Songkhram Province, Mueang District, Bang Kaeo; 13 ° 23.18 ' N, 100 ° 02.18 ' E; MUMNH-ARA-THE 008 • 2 ♀; Trat Province, Laem Ngop District, 12 ° 10.38 ' N, 102 ° 24.33 ' E; MUMNH-ARA-THE 009.
Name
- Synonyms
- Plectana brevispina Doleschall 1857
- Homonyms
- Thelacantha brevispina (Doleschall 1857)