Mermessus

Mermessus is a genus of spiders in the family Linyphiidae. It was first described in 1899 by O. Pickard-Cambridge. , it contains 81 species.

==Species== , this genus includes 82 species: Mermessus agressus (Gertsch & Davis, 1937) – United States, Mexico Mermessus albulus (Zorsch & Crosby, 1934) – United States Mermessus annamae (Gertsch & Davis, 1937) – Mexico Mermessus antraeus (Crosby, 1926) – United States, Mexico Mermessus augustae (Crosby & Bishop, 1933) – Canada, United States Mermessus augustalis (Crosby & Bishop, 1933) – Canada, United States Mermessus avius (Millidge, 1987) – Mexico Mermessus brevidentatus (Emerton, 1909) – United States Mermessus bryantae (Ivie & Barrows, 1935) – North America, Cuba, Venezuela. Introduced to Azores Mermessus caelebs (Millidge, 1987) – Panama, Venezuela Mermessus coahuilanus (Gertsch & Davis, 1940) – United States, Mexico Mermessus cognatus (Millidge, 1987) – Mexico to Costa Rica Mermessus colimus (Millidge, 1987) – Mexico Mermessus comes (Millidge, 1987) – Mexico Mermessus conexus (Millidge, 1987) – Mexico Mermessus conjunctus (Millidge, 1991) – Brazil Mermessus contortus (Emerton, 1882) – United States Mermessus datangensis Irfan, Zhang & Peng, 2022 – China Mermessus denticulatus (Banks, 1898) – Canada to Peru, Caribbean. Introduced to Europe, North Africa, Turkey Mermessus dentiger O. Pickard-Cambridge, 1899 – USA to Guatemala, Caribbean (type species) Mermessus dentimandibulatus (Keyserling, 1886) – Colombia, Peru Mermessus dominicus (Millidge, 1987) – Dominican Rep. Mermessus dopainus (Chamberlin & Ivie, 1936) – Mexico Mermessus entomologicus (Emerton, 1911) – Canada, United States Mermessus estrellae (Millidge, 1987) – Mexico Mermessus facetus (Millidge, 1987) – Costa Rica Mermessus floridus (Millidge, 1987) – United States Mermessus formosus (Millidge, 1987) – Mexico Mermessus fractus (Millidge, 1987) – Costa Rica Mermessus fradeorum (Berland, 1932) – North America. Introduced to Galapagos, Uruguay, Azores, Cyprus, South Africa, Saudi Arabia, China, New Zealand Mermessus fuscus (Millidge, 1987) – Mexico Mermessus hebes (Millidge, 1991) – Venezuela Mermessus holda (Chamberlin & Ivie, 1939) – Canada, United States Mermessus hospita (Millidge, 1987) – Mexico Mermessus ignobilis (Millidge, 1987) – Mexico Mermessus imago (Millidge, 1987) – Mexico Mermessus index (Emerton, 1914) – Canada, United States Mermessus indicabilis (Crosby & Bishop, 1928) – Canada, United States Mermessus inornatus (Ivie & Barrows, 1935) – United States Mermessus insulsus (Millidge, 1991) – Peru Mermessus jona (Bishop & Crosby, 1938) – Canada, United States Mermessus leoninus (Millidge, 1987) – Mexico Mermessus libanus (Millidge, 1987) – Mexico Mermessus lindrothi (Holm, 1960) – Alaska Mermessus maculatus (Banks, 1892) – Russia (Commander Is.), Canada to Guatemala Mermessus maderus (Millidge, 1987) – United States Mermessus major (Millidge, 1987) – United States Mermessus mediocris (Millidge, 1987) – Canada, United States Mermessus medius (Millidge, 1987) – Mexico Mermessus merus (Millidge, 1987) – Mexico Mermessus mniarus (Crosby & Bishop, 1928) – United States Mermessus modicus (Millidge, 1987) – United States Mermessus montanus (Millidge, 1987) – Mexico Mermessus monticola (Millidge, 1987) – Mexico Mermessus moratus (Millidge, 1987) – Mexico Mermessus naniwaensis (Oi, 1960) – China, Korea, Japan Mermessus niger (Millidge, 1991) – Colombia Mermessus obscurus (Millidge, 1991) – Colombia Mermessus orbus (Millidge, 1987) – Mexico Mermessus ornatus (Millidge, 1987) – Mexico Mermessus paludosus (Millidge, 1987) – Canada Mermessus paulus (Millidge, 1987) – United States Mermessus perplexus (Millidge, 1987) – Mexico Mermessus persimilis (Millidge, 1987) – Mexico Mermessus pinicola (Millidge, 1987) – Mexico Mermessus probus (Millidge, 1987) – Mexico Mermessus proximus (Keyserling, 1886) – Peru Mermessus rapidulus (Bishop & Crosby, 1938) – Nicaragua, Costa Rica, Panama Mermessus singularis (Millidge, 1987) – Mexico Mermessus socius (Chamberlin, 1949) – United States Mermessus sodalis (Millidge, 1987) – United States Mermessus solitus (Millidge, 1987) – United States Mermessus solus (Millidge, 1987) – Mexico Mermessus subantillanus (Millidge, 1987) – Guadeloupe Mermessus taibo (Chamberlin & Ivie, 1933) – Canada, United States Mermessus tenuipalpis (Emerton, 1911) – Canada, United States Mermessus tepejicanus (Gertsch & Davis, 1937) – Mexico Mermessus tibialis (Millidge, 1987) – United States Mermessus tlaxcalanus (Gertsch & Davis, 1937) – Mexico Mermessus tridentatus (Emerton, 1882) – Canada, United States, Puerto Rico Mermessus trilobatus (Emerton, 1882) – North America. Introduced to Azores, Europe Mermessus undulatus (Emerton, 1914) – Canada, United States