| Eustala rosae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Araneidae |
| Genus: | Eustala |
| Species: | E. rosae |
| Binomial name | |
| Eustala rosae Chamberlin & Ivie, 1935 | |
Eustala rosae is a species of orb weaver in the spider family Araneidae. It is found in the United States and Mexico. [1] [2] [3] [4]
Huntsman spiders, members of the family Sparassidae, are known by this name because of their speed and mode of hunting. They are also called giant crab spiders because of their size and appearance. Larger species sometimes are referred to as wood spiders, because of their preference for woody places. In southern Africa the genus Palystes are known as rain spiders or lizard-eating spiders. Commonly, they are confused with baboon spiders from the Mygalomorphae infraorder, which are not closely related.
The Araneomorphae are an infraorder of spiders. They are distinguishable by chelicerae (fangs) that point diagonally forward and cross in a pinching action, in contrast to the Mygalomorphae, where they point straight down. Araneomorphs comprise the vast majority of living spiders.
The Pholcidae are a family of araneomorph spiders. The family contains more than 1,800 individual species of pholcids, including those commonly known as cellar spider, daddy long-legs spider, carpenter spider, daddy long-legger, vibrating spider, gyrating spider, long daddy, and skull spider. The family, first described by Carl Ludwig Koch in 1850, is divided into 94 genera.
The Ozark cavefish, Amblyopsis rosae, is a small subterranean freshwater fish endemic to the United States. It has been listed as a threatened species in the US since 1984; the IUCN currently lists the species as Near Threatened, though it was previously listed as Vulnerable between 1986 and 1996. It is listed as Endangered and Threatened by the Missouri Department of Conservation.
Psechridae is a family of araneomorph spiders with about 70 species in two genera. These are among the biggest cribellate spiders with body lengths up to 2 centimetres (0.79 in) and funnel webs more than 1 metre in diameter.
Allocyclosa is a genus of orb weaver spiders that contains only one species, Allocyclosa bifurca. It was first described in 1887 by McCook under the name Cyrtophora bifurca, and was transferred to its own genus in 1999. It is the only Cyclosa species north of Mexico to have a forked tail, hence the name bifurca, Latin for "two-forked". The forked abdomen, bearing two humps shaped like the letter M, is a defining feature in both males and females, though it is similar to features present in certain Cyrtophora species. Both sexes are a transparent green color, though only females have an area of red on their underside between the epigynum and the spinnerets. Females are nearly thirty percent larger than males, ranging from five to nine millimeters, while males range from two to three millimeters. Males are very uncommon. In a 1977 study by Levi, only two of the nearly 350 specimens that were positively identified as Cyrtophora bifurca were males. This is a very odd distribution, and it has been posed that females of the species, which have less prominent genitalia relative to other members of the orb-weaver family, may be parthenogenic, or able to reproduce without the help of males. Like other members of Araneidae, these spiders create orb webs, six to eight inches in diameter, but apply a unique form of protective mimicry. Females sit in the middle of a vertical row of web decoration, with egg sacs above and wrapped prey below. Because they all have a similar color and shape, it is difficult to discern between the egg sacs, the wrapped prey, and the spider itself.
Eustala is a genus of orb-weaver spiders first described by Eugène Simon in 1895.
Eustala cepina is a species of orb weaver in the family of spiders known as Araneidae. It is found in North America.
Enoplognatha marmorata, the marbled cobweb spider, is a species of cobweb spider in the family Theridiidae. It is found in North America.
Mastophora bisaccata is a species of orb weaver in the spider family Araneidae. It is also known as Mastaphora obesa. It is found in the United States and Mexico. Like all known species of the genus Mastophora, adult females are bolas spiders, capturing their prey with one or more sticky drops at the end of a single line of silk rather than in a web. Males and juvenile females capture their prey directly with their legs.
Geolycosa missouriensis, the burrowing wolf spider, is a species of wolf spider in the family Lycosidae. It is found in the United States and Canada. They are most active in summer and hunt similar to the trapdoor spiders, lying in wait in their burrows until they sense the arrival of prey through vibrations in the ground.
Altica rosae is a species of flea beetle in the family Chrysomelidae. It is found in North America.
Arctosa sanctaerosae, the Santa Rosa wolf spider, is a species of wolf spider in the family Lycosidae. It is found in the United States.
Eustala conchlea is a species of orb weaver in the spider family Araneidae. It is found in the United States and Mexico.
Tibellus duttoni is a species of running crab spider in the family Philodromidae. It is found in the United States and Mexico.
Eucera rosae is a species of long-horned bee in the family Apidae. It is found in North America.
Castianeira crocata is a species of true spider in the family Corinnidae, sometimes called by the common name red stripe spider. It is found in the United States. Though its body shape is quite different, its characteristic black body and red-marked back puts it at risk of being mistaken for a black widow spider.
Eustala californiensis is a species of orb weaver in the spider family Araneidae. It is found in the United States and Mexico.
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