O. exigua
# O. exigua

O. exigua may refer to:

* Ophiothrix exigua, a brittle star
* Oplitis exigua, a mite with a single pair of spiracles positioned laterally on the body
* Oreodera exigua, a longhorn beetle
* Orthomecyna exigua, a moth endemic to Hawaii
* Oryzopsis exigua, a true grass
* Oscinella exigua, a European fly
* Osminia exigua, a clearwing moth
* Ozola exigua, a geometer moth
