Insects known solely from Niger include a leafhopper Helionidia ahua (AMNH), a flower beetle Gnathocera sericinitens (Google Books), a grasshopper Brachycrotaphus nigericus (OSF), a mantis Oxyothespis villiersi (MNHN), the ants Aenictus vagans (AntWiki) and Crematogaster chopardi (AntWiki), a bee Chiasmognathus saheliensis (AEMNP pdf file), and a leaf-footed bug Risbecocoris airensis (BHL).
endemic invertebrates include a goblin spider Melchisedec birni (Goblin
Spider PBI), a lynx spider Oxyopes fallax (World
Spider Catalog), a jumping spider Thyene chopardi (Salticidae
of the World), the scorpions Androctonus santi (Scorpion
Files) and Scorpio
a solifuge Biton
Books), and a pseudoscorpion Rhacochelifer chopardi
of the World).
The few vascular plant species described from Niger and not known elsewhere all appear to be synonyms of more widespread species. These include Commiphora airica (JSTOR), Euphorbia tellieri (JSTOR), Vigna marchali (JSTOR), and Ipomoea aridissima (IPNI).