Araneus praesignis Araneus praesignis Araneus praesignis is a species of orb-weaving spider found in Queensland, Australia where it is widespread and common in well-vegetated areas. The Atlas of Living Australia shows a record from New South Wales. In 2015 a sighting from China was reported. It has bold black blobs on its rear, perhaps mimicking eyes. In 2014 Carly Brooke Martinetti gave it the common name "Alien Butt Spider" by which it became internationally known. Due to its memorable common name and strange appearance photographs of the spider have appeared in many online blogs and galleries. Both males ( body length 5
Araneus Theridiosomatidae ("Theridiosoma gemmosum", described by L. Koch, 1877 as "Theridion gemmosum"), Titanoecidae ("Nurscia albomaculata", described by Lucas, 1846 as "Epeira albo-maculata") and Uloboridae ("Uloborus glomosus", described by Walckenaer, 1842 as "Epeira glomosus"). "Epeira cylindrica" was at a time placed in Linyphiidae and is considered "incertae sedis", as is ""Araneus" cylindriformis" . "Epeira" was synonymized with the genus "Aranea" by Leach, 1815, and with "Araneus" by Simon, 1904. Throughout the 19th century, "Epeira" was used as a catch-all genus, similar to the once ubiquitous salticid genus "Attus". However, from 1911, to its last mention in 1957, only very few authors continued