Missulena
| Missulena | |
|---|---|
 |
|
| Male Missulena occatoria | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Mygalomorphae |
| Family: | Actinopodidae |
| Genus: |
Missulena Walckenaer, 1805 |
| Species | |
|
See text. |
|
See text.
Missulena is a genus of spiders in the mygalomorph family Actinopodidae, sometimes called mouse spiders. As of 2016[update] there are 17 known species in this genus, all but one of which are indigenous to Australia. One species, M. tussulena, is found in Chile. The name derives from an old belief, now known to be false, that the spiders dig deep burrows similar to those of mice.
There is evidence that the bite of a mouse spider is potentially as serious as that of an Australasian funnel-web spider; however, recorded by this spider are rare. Funnel-web antivenom has been found to be an effective treatment for serious bites.
Another spider, Scotophaeus blackwalli, shares the nickname "mouse spider", but does not belong to the genus Missulena and is not considered dangerous.
Mouse spiders are medium-to-large spiders which range in length from 1 cm to 3 cm. Their carapace is glossy, and they have high, broad heads, with eyes spread out across the front of the head. They have short spinnerets, located in the rear of the abdomen. Mouse spiders exhibit sexual dimorphism, with female spiders being all black; and male spiders having species-specific colouration. The male eastern mouse spider (M. bradleyi) has a bluish patch, and the male red-headed mouse spider (M. occatoria) is brownish or blue-black in color, with bright red-tinged jaws.
Mouse spiders prey mainly on insects, though they may consume other small animals as opportunity presents. The primary predators of the mouse spider include wasps, bandicoots, centipedes, and scorpions.
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