イトグモ科の属種
Loxosceles taeniopalpis Simon, 1907 — Ecuador
Loxosceles taino Gertsch & Ennik, 1983 — Bahama Islands, Jamaica, Hispaniola
Loxosceles tehuana Gertsch, 1958 — Mexico
Loxosceles tenango Gertsch, 1973 — Mexico
Loxosceles teresa Gertsch & Ennik, 1983 — Mexico
Loxosceles tlacolula Gertsch & Ennik, 1983 — Mexico
Loxosceles valdosa Gertsch, 1973 — Mexico
Loxosceles valida Lawrence, 1964 — South Africa
Loxosceles variegata Simon, 1897 — Paraguay
Loxosceles virgo Gertsch & Ennik, 1983 — Virgin Islands
Loxosceles vonwredei Newlands, 1980 — Namibia
Loxosceles weyrauchi Gertsch, 1967 — Peru
Loxosceles yucatana Chamberlin & Ivie, 1938 — Mexico, Belize, Guatemala
Loxosceles zapoteca Gertsch, 1958 — Mexico
Loxosceles rosana Gertsch, 1967 — Peru
Loxosceles rothi Gertsch & Ennik, 1983 — Mexico
Loxosceles rufescens (Dufour, 1820) — イトグモ・汎世界に分布、日本にも移入。
Loxosceles rufipes (Lucas, 1834) — Guatemala, Panama, Colombia
Loxosceles russelli Gertsch & Ennik, 1983 — USA
Loxosceles sabina Gertsch & Ennik, 1983 — USA
Loxosceles seri Gertsch & Ennik, 1983 — Mexico
Loxosceles similis Moenkhaus, 1898 — Brazil
Loxosceles smithi Simon, 1897 — Ethiopia
Loxosceles sonora Gertsch & Ennik, 1983 — Mexico
Loxosceles spadicea Simon, 1907 — Peru, Bolivia, Argentina
Loxosceles speluncarum Simon, 1893 — South Africa
Loxosceles spinulosa Purcell, 1904 — Southern Africa
Loxosceles surca Gertsch, 1967 — Peru