n. (♂♀ from South Africa) are described.

L'any 2017, a partir d'un estudi filogenètic de Magalhaes, Brescovit i Santos, es va veure que les espècies sud-africanes de … Like other spider species, these six-eyed spiders lay eggs in their sacs.Nothing is known so far about juvenile six-eyed spiderlings.As far as research on them is concerned, no reports of webs have been documented, as these spiders hunt down their prey.The six-eyed sand spiders are potentially venomous as their bite might include hemolytic and necrotic effects. nov. (both from Namibia) and H. leroyi sp. G. Müller leg. In all other species the setae vary from thin to broad, with some, having both thin and broad setae. (NMNW, H. Kleinhans leg.

Since then an intensive study of all available specimens from nine collections was undertaken. 19).

Due to their flattened stance and laterigrade legs, they are also sometimes known as six-eyed crab spiders.

Sicarius Walckenaer, 1847 (subfamily Sicariinae) with six species: S. albospinosus Purcell, 1908, S. damarensis Lawrence, 1928, S. dolichocephalus Lawrence, 1928, S. hahni (Karsch, 1878), S. spatulatus Pocock, 1900, and S. testaceus Purcell, 1908 and Loxosceles Heineken & Lowe, 1835 (subfamily Loxoscelinae) with 13 species: L. fontainei Millot, 1941, L. foutadjalloni Millot, 1941, L. lacroixi Millot, 1941, L. meruensis Tullgren, 1910, L. neuvillei Simon, 1909, L. pallidecolorata (Strand, 1906), L. parrami Newlands, 1981, L. rufecens (Dufour, 1820), L. smithi Simon, 1897, L. speluncarum Simon, 1893, L. spinulosa Purcell, 1904, L. valida Lawrence, 1964 and L. vonwredei Newlands, 1980. nov. (from South Africa) – and the male of H. dolichocephala (Lawrence, 1928) is described for the first time. While hunting, it uses its front legs to catch the prey. As far as research on them is concerned, no reports of webs have been documented, as these spiders hunt down their prey. 23); female, spermathecae consist of numerous tubes, each ending in one or more spherical vesicles (Fig. Fou descrit per primera vegada per F. Karsch l'any 1878 amb el nom de Hexomma hahnii. It camouflages itself with sands of the desserts.

H. dolichocephala (Lawrence, 1928).

(NMZB A/9940). Magalhaes, I. L. F., Brescovit, A. D. & Santos, A. J. Float Yoga Ludwigsburg, 21°40′ E, Sep. 1998, Z. van der Walt leg. In this paper the present state of knowledge of the family Sicariidae in the Afrotropical region is discussed.

The new species is diagnosed from other species of the genus, and compared in detail.

Leg femora in both sexes with scoop-shaped enlarged dorsal setae (Fig. Your email address will not be published. Arachnida (Part 2, Comparative analyses of venoms from American and African Sicarius spiders that differ in sphingomyelinase D activity, Review of southern African spiders of medical importance, with notes on the signs and symptoms of envenomation, A Revision of the Afrotropical Species of Festucula Simon, 1901 (Araneae: Salticidae). The study of, needed to facilitate studies on this genus, be it systematic, ecological or medical.

The six-eyed sand spider has a shy temperament but its potential venomous bites make it one of the deadliest spiders. — Lotz 2012: 3. except that the nger-like tubes are longer and. We present the first broad survey of the morphology of the family from a phylogenetic perspective in order to resolve its relationships. We redescribe nine previously known species, elevate one subspecies to species, and describe six new species from Argentina, Bolivia, Brazil and Peru. The two mentioned papers included 32 localities in three modern countries, aside from broader geographical regions (e.g. Most Hexophthalma species, though, including H. hahnii, have only been studied in vitro, and the detailed effects of their venom in humans and other vertebrates are unknown.

H. hahni (Karsch, 1878). We estimated a time-calibrated, total-evidence phylogeny of Sicariinae, and used published distribution records to estimate climatic niche and biome occupancy. 2009, J. Irish & R. Scholtz leg. ngers on each side, with a round, sclerotized, reduced outer spermatheca (Fig. and behavior of the spiderlings. The species name is a matronym for Greta Binford, collector of the type specimen. .mw-parser-output table.clade{border-spacing:0;margin:0;font-size:100%;line-height:100%;border-collapse:separate;width:auto}.mw-parser-output table.clade table.clade{width:100%;line-height:inherit}.mw-parser-output table.clade td.clade-label{width:0.7em;padding:0 0.15em;vertical-align:bottom;text-align:center;border-left:1px solid;border-bottom:1px solid;white-space:nowrap}.mw-parser-output table.clade td.clade-fixed-width{overflow:hidden;text-overflow:ellipsis}.mw-parser-output table.clade td.clade-fixed-width:hover{overflow:visible}.mw-parser-output table.clade td.clade-label.first{border-left:none;border-right:none}.mw-parser-output table.clade td.clade-label.reverse{border-left:none;border-right:1px solid}.mw-parser-output table.clade td.clade-slabel{padding:0 0.15em;vertical-align:top;text-align:center;border-left:1px solid;white-space:nowrap}.mw-parser-output table.clade td.clade-slabel:hover{overflow:visible}.mw-parser-output table.clade td.clade-slabel.last{border-left:none;border-right:none}.mw-parser-output table.clade td.clade-slabel.reverse{border-left:none;border-right:1px solid}.mw-parser-output table.clade td.clade-bar{vertical-align:middle;text-align:left;padding:0 0.5em;position:relative}.mw-parser-output table.clade td.clade-bar.reverse{text-align:right;position:relative}.mw-parser-output table.clade td.clade-leaf{border:0;padding:0;text-align:left}.mw-parser-output table.clade td.clade-leafR{border:0;padding:0;text-align:right}.mw-parser-output table.clade td.clade-leaf.reverse{text-align:right}.mw-parser-output table.clade:hover span.linkA{background-color:yellow}.mw-parser-output table.clade:hover span.linkB{background-color:green}, Two new species were added to the genus in 2018, and one previously accepted species, H. testacea, was synonymized with H. hahnii.

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