# Mermessus

Mermessus is a genus of spiders in the family Linyphiidae. It was first described in 1899 by O. Pickard-Cambridge. As of 2017, it contains 81 species.

## Species list

Mermessus comprises the following species:
* Mermessus agressus (Gertsch & Davis, 1937) – US, Mexico
* Mermessus albulus (Zorsch & Crosby, 1934) – US
* Mermessus annamae (Gertsch & Davis, 1937) – Mexico
* Mermessus antraeus (Crosby, 1926) – US, Mexico
* Mermessus augustae (Crosby & Bishop, 1933) – US
* Mermessus augustalis (Crosby & Bishop, 1933) – US, Canada
* Mermessus avius (Millidge, 1987) – Mexico
* Mermessus brevidentatus (Emerton, 1909) – US
* Mermessus bryantae (Ivie & Barrows, 1935) – North America, Cuba, Venezuela, Azores
* Mermessus caelebs (Millidge, 1987) – Panama, Venezuela
* Mermessus coahuilanus (Gertsch & Davis, 1940) – US, 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) – US
* Mermessus denticulatus (Banks, 1898) – US to Colombia (Europe, North Africa, introduced)
* Mermessus dentiger O. P.-Cambridge, 1899 – US to Guatemala, Caribbean
* Mermessus dentimandibulatus (Keyserling, 1886) – Colombia, Peru
* Mermessus dominicus (Millidge, 1987) – Dominica
* Mermessus dopainus (Chamberlin & Ivie, 1936) – Mexico
* Mermessus entomologicus (Emerton, 1911) – US, Canada
* Mermessus estrellae (Millidge, 1987) – Mexico
* Mermessus facetus (Millidge, 1987) – Costa Rica
* Mermessus floridus (Millidge, 1987) – US
* Mermessus formosus (Millidge, 1987) – Mexico
* Mermessus fractus (Millidge, 1987) – Costa Rica
* Mermessus fradeorum (Berland, 1932) – Cosmopolitan
* Mermessus fuscus (Millidge, 1987) – Mexico
* Mermessus hebes (Millidge, 1991) – Venezuela
* Mermessus holdus (Chamberlin & Ivie, 1939) – US, Canada
* Mermessus hospita (Millidge, 1987) – Mexico
* Mermessus ignobilis (Millidge, 1987) – Mexico
* Mermessus imago (Millidge, 1987) – Mexico
* Mermessus index (Emerton, 1914) – US, Canada
* Mermessus indicabilis (Crosby & Bishop, 1928) – US
* Mermessus inornatus (Ivie & Barrows, 1935) – US
* Mermessus insulsus (Millidge, 1991) – Peru
* Mermessus jona (Bishop & Crosby, 1938) – US, Canada
* Mermessus leoninus (Millidge, 1987) – Mexico
* Mermessus libanus (Millidge, 1987) – Mexico
* Mermessus lindrothi (Holm, 1960) – Alaska
* Mermessus maculatus (Banks, 1892) – Russia, Canada to Guatemala
* Mermessus maderus (Millidge, 1987) – US
* Mermessus major (Millidge, 1987) – US
* Mermessus mediocris (Millidge, 1987) – US, Canada
* Mermessus medius (Millidge, 1987) – Mexico
* Mermessus merus (Millidge, 1987) – Mexico
* Mermessus mniarus (Crosby & Bishop, 1928) – US
* Mermessus modicus (Millidge, 1987) – US
* Mermessus montanus (Millidge, 1987) – Mexico
* Mermessus monticola (Millidge, 1987) – Mexico
* Mermessus moratus (Millidge, 1987) – Mexico
* Mermessus naniwaensis (Oi, 1960) – China, Japan
* Mermessus nigrus (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) – US
* 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) – US
* Mermessus sodalis (Millidge, 1987) – US
* Mermessus solitus (Millidge, 1987) – US
* Mermessus solus (Millidge, 1987) – Mexico
* Mermessus subantillanus (Millidge, 1987) – Guadeloupe
* Mermessus taibo (Chamberlin & Ivie, 1933) – US, Canada
* Mermessus tenuipalpis (Emerton, 1911) – US
* Mermessus tepejicanus (Gertsch & Davis, 1937) – Mexico
* Mermessus tibialis (Millidge, 1987) – US
* Mermessus tlaxcalanus (Gertsch & Davis, 1937) – Mexico
* Mermessus tridentatus (Emerton, 1882) – US, Canada, Puerto Rico
* Mermessus trilobatus (Emerton, 1882) – Holarctic
* Mermessus undulatus (Emerton, 1914) – US, Canada