Isostenosmylus

Isostenosmylus is a genus of neotropical osmylid in the subfamily Stenosmylinae. It has been called "the most species-rich genus of lance lacewings in the Neotropical region."

== Species == Species accepted within Isostenosmylus include: Isostenosmylus angustipennis Martins et al., 2019 Isostenosmylus angustipennis Martins et al., 2019 Isostenosmylus barbatus Martins et al., 2019 Isostenosmylus bifurcatus Ardila-Camacho et al., 2016 Isostenosmylus contrerasi Ardila-Camacho and Noriega, 2014 Isostenosmylus fasciatus Kimmins, 1940 Isostenosmylus fusciceps Kimmins, 1940 Isostenosmylus inca Martins et al., 2019 Isostenosmylus irroratus Ardila-Camacho et al., 2016 Isostenosmylus jaguar Martins et al., 2019 Isostenosmylus julianae Ardila-Camacho et al., 2016 Isostenosmylus morenoi (Navás, 1928) Isostenosmylus nigrifrons Kimmins, 1940 Isostenosmylus penai Martins et al., 2019 Isostenosmylus pulverulentus (Gerstaecker, 1893) Isostenosmylus septemtrionalandinus Ardila-Camacho and Noriega, 2014 Isostenosmylus triangulatus Martins et al., 2019