Stagetillus

{{Short description| Genus of spiders}}

{{Speciesbox

| taxon = Stagetillus opaciceps

| image = SGM05-3440_Stagetillus_female.jpg

| image_caption = Female Stagetillus sp. in Malaysia

| authority = Simon, 1885

| parent_authority = Simon, 1885

| display_parents = 2

}}

Stagetillus is a monotypic genus of Southeast Asian jumping spiders containing the single species, Stagetillus opaciceps. It was first described by Eugène Louis Simon in 1885,{{cite journal| last=Simon| first=E.| year=1885| title=Arachnides recueillis par M. Weyers à Sumatra. Premier envoi| journal=Annales de la Société Entomologique de Belgique| pages=30–39| volume=29| author-link=Eugène_Simon}} and is found in Indonesia, Philippines and Malaysia.{{cite journal| title=Gen. Stagetillus Simon, 1885| website=World Spider Catalog Version 20.0| access-date=2019-09-23| year=2019| publisher=Natural History Museum Bern| url=http://www.wsc.nmbe.ch/genus/2978| doi=10.24436/2}}

Females are {{convert|6|mm|in|frac=12|abbr=on}} long, while males can grow up to {{convert|8|mm|frac=12|abbr=on}}.{{cite book| last1=Murphy| first1=Frances| last2=Murphy| first2=John| year=2000| title=An Introduction to the Spiders of South East Asia| publisher=Malaysian Nature Society}} The carapace is a shiny yellowish-red with two dark stripes on the sides. The very narrow, long abdomen is dark purplish with elongated white marks on the sides and a transverse white mark near the spinnerets. The legs are yellow, except for the very robust front pair, which is dark with yellow tarsi.