The Gray Wall Jumper is not native to North America, however, having been introduced from the Old World tropics. Menemerus bivittatus (Gray Wall Jumper) has been sighted in the following countries: Brazil, India, Malaysia, South Africa, United States. Gray wall jumper of the Salticidae family has a Pantropical distribution, indigenous to the tropical regions of the northern and southern hemispheres. The juvenile spiders replicate females. It is difficult for the spider to catch the bees as they fly out of the entrance but the bees are more vulnerable when returning to the nest. The detailed statistics below may not utilize the complete dataset of 18 sightings because of certain Menemerus bivittatus sightings reporting incomplete data. However, they barely succeed in catching them. Berlin, Springer-Verlag. They do not build a web but instead, stalk their prey before launching an attack by leaping on the victim. On the other hand, the females have a browner body, alongside two black bands and white stripes on the carapace, as well as thick black abdominal bands. Egg sac is lens-shaped and houses 25-40 eggs. Pronunciation . Pages 231-247 In Information processing in the visual system of arthropods, R. Wehner, ed. Like most other jumping spider species, the Gray Wall Jumper does not build webs to catch prey. These spiders have an immense jumping ability, moving from one place to the other with ease, even getting hold of crane flies twice their size. The female gray wall jumper builds an eggsac in a crack or other concealed position in which she lays 25 to 40 eggs in a purse-like silken case. Females and juveniles may be mistaken for a member of the genus. [2], In India this common spider is found on the outer walls of buildings and on tree trunks. © 2020 (Spider Identifications). A revision of the spider genus Menemerus in Africa, Feeding behavior of trunk-living jumping spiders (Salticidae) in a coastal primary forest in The Gambia, https://en.wikipedia.org/w/index.php?title=Menemerus_bivittatus&oldid=979915039, Creative Commons Attribution-ShareAlike License, This page was last edited on 23 September 2020, at 14:14. [2] The spiders are about nine millimetres long, the male being slightly smaller than the female. The male has a blackish longitudinal dorsal stripe with a brownish-white stripe on either side of the abdomen. [1], The female gray wall jumper builds an eggsac in a crack or other concealed position in which she lays 25 to 40 eggs in a purse-like silken case. The spider species Menemerus bivittatus, commonly known as Gray Wall Jumper, belongs to the genus Menemerus, in the family Salticidae. These spiders get their name as they commonly dwell on the outer walls of buildings. DeVoe RD. Other Characteristic Features: They have a flattened body, while the females possess a larger abdomen and carapace. Menemerus bivittatus is most often sighted outdoors, and during the month of June. Color: Both genders have a brown body covered with grayish-white hairs, though they differ from the other in pattern. The spider may hold the moth in its jaws and drop down on a drag line while it waits for it to become subdued by the venom. [1], Both young and old spiders feed mainly on small flies which alight on walls. In The Gambia, these species have been noticed tracing the whereabouts of stinging bees. Based on collected data, the geographic range for Menemerus bivittatus includes 5 countries and 3 states in the United States. Ultraviolet and green receptors in principal eyes of jumping spiders. Grey Wall Jumper Description As its name suggests, the grey wall jumper has a … Habitat: Painted wooden walls of Panataran Kinabalu Restaurant, opposite Kinabalu National Park in Kundasang, Sabah. Menemerus Bivittatus, commonly called the grey wall jumper or the grey jumping spider, is a jumping spider that can be found in hot and tropical regions around the world and in the South of the United States. Gray Wall Jumper. In adult males, the front pair of legs have more black and are thicker/heavier than the rest. It is a pantropical species and is usually found on the walls of buildings or on tree trunks where it stalks its prey. Jumping spiders, or salticids, are so named because they have a highly coordinated jumping ability with which they capture prey and traverse from plant to plant. EOL has data for 7 attributes, including: eats. Gray wall jumpers are dorso-ventrally flattened and are covered with short dense, grayish-white hairs. Her legs are banded but are paler than those of the male. The carapace and chelicerae are also black and white and the legs have transverse bandings of the same colours. [1], Gray wall jumpers are dorso-ventrally flattened and are covered with short dense, grayish-white hairs. Synonyms and other taxonomic changes . Required fields are marked *. The female is generally paler and more brown, with a larger carapace and abdomen. Explanation of Names . Menemerus bivittatus has also been sighted in the following states: California, Florida, Texas. Reproduction in whole or in part without permission is prohibited. These spiders get their name as they commonly dwell on the outer walls of buildings. Journal of General Physiology 66: 193-208. There are tufts of dark brown bristles near the large, forward-facing eyes. Your email address will not be published. They even have black and white bands on their legs, chelicerae, and carapace. [6], http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.485.4929&rep=rep1&type=pdf. Menemerus bivittatus is a spider in the family Salticidae commonly known as the gray wall jumper. Species bivittatus (Gray Wall Jumper) Other Common Names . There are tufts of dark brown bristles near the large, forward-facing eyes. It moves actively about in search of small insect prey, often vibrating its hairy palps as it walks. Size:  The females are 0.27 – 0.39 inches (7 – 10 mm) long, while males are smaller with a body length of0.19 -0.27 inches). The spider species Menemerus bivittatus, commonly known as Gray Wall Jumper, belongs to the genus Menemerus, in the family Salticidae.Menemerus bivittatus spiders have been sighted 18 times by contributing members. Immature spiders resemble the female. It is often seen on the outside of man-made structures. Her carapace is edged with two black bands and a thin white stripe and her abdomen is edged with broad black stripes on each side which unite at the posterior end. Based on collected data, the geographic range for Menemerus bivittatus includes 5 countries and 3 states in the United States. Many are marked with contrasting colors or bands, especially the males who display this ornamentation while dancing before fem… [4] They use their highly coordinated jumping ability to capture their prey and to move from one place to another. men-eh-MAIR-us by-vih-TAY-us. The spiders are about nine millimetres long, the male being slightly smaller than the female. Menemerus bivittatus is cosmopolitan in distribution being common in most tropical regions. In America, the species is found in Florida, Texas, and California (USA) and south as far as Paraguay, including some Caribbean islands and Colombia.