<Li> Latrodectus concinnus O. Pickard - Cambridge, 1904 </Li> <Li> Chacoca distincta Badcock, 1932 </Li> <P> Latrodectus geometricus, commonly known as the brown widow, brown button spider, grey widow, brown black widow, house button spider or geometric button spider, is one of the widow spiders in the genus Latrodectus . As such, it is a' cousin' to the more infamous Latrodectus mactans (black widow). </P> <P> L. geometricus is slightly smaller and generally lighter in color than the black widow species; the color can range from tan to dark brown to black, with shades of grey also possible . Like the black widow species in the United States, L. geometricus has a prominent hourglass - shaped marking on the underside of the abdomen; the brown widow's hourglass, however, is usually a vivid orange or a yellowish color . Unlike the black widow, L. geometricus has a black - and - white geometric pattern on the dorsal side of its abdomen . Although the Latin name comes from this pattern, a spider's coloring can and does darken over time and the pattern may become obscured . Also, they have stripes on their legs . Brown widows are often preyed on by mud daubers and sometimes by digger wasps . </P>

Grey spider that looks like a black widow