Tristis is a Latin word meaning "sad" or "foul smelling", often used as the second word of a binomial name.
Tristis could refer to any of the following species:
the great bent-winged bat, Miniopterus tristis
the subspecies tristis of the dwarf slit-faced bat, Nycteris nana
the subspecies tristis of the Asian golden cat, Pardofelis temminckii
the American goldfinch, Spinus tristis
the buff-rumped woodpecker, Meiglyptes tristis
the common myna, Acridotheres tristis
the green-billed malkoha, Phaenicophaeus tristis
the grey crow, Corvus tristis
the Siberian chiffchaff, Phylloscopus (collybita) tristis
the snake Dendrelaphis tristis
the snake Micrurus fulvius (of which Elaps tristis is a synonym)
the black-headed monitor lizard, Varanus tristis
Acanthurus tristis
Heteroclinus tristis
Puntius dorsalis (of which Systomus tristis is a synonym)
the water beetle Agabus tristis
the click-beetle Ampedus tristis
the water beetle Hydroporus tristis
the beetle Zopherus tristis
the snail-killing fly Coremacera marginata (of which Coremacera tristis is a synonym)
the non-biting midge Cricotopus tristis
the fruit-fly Drosophila tristis
the picture-winged fly Goniaea tristis
the cluster fly Melanodexia tristsi
the picture-winged fly Ortalis tristis
the coreid bug Anasa tristis
the assassin-bug Rhynocoris tristis
the ichneumon wasp Bathyplectes tristis
the ichneumon wasp Campodorus tristis
the ichneumon wasp Eurylabus tristis
the bee Macroglossum bombylans (of which Macroglossum tristis is a synonym)
the ichneumon wasp Stenomacrus tristis
the geometrid moth Abaciscus tristis
the psychid moth Acanthopsyche tristis
the noctuid moth Acronicta tristis
the cossid moth Aethalopteryx tristis
the noctuid moth Anhypotrix tristis
the choreutid moth Asterivora tristis
the noctuid moth Catocala andromedae (of which Catocala tristis is a synonym)
the cossid moth Coryphodema tristis
the thaumetopoeid moth Epicoma tristis
the uraniid moth Epiplema tristis
the Mournful Duskywing, Erynnis tristis
the hawkmoth Pachylioides resumens
the Dotted Rustic, Rhyacia simulans (of which Noctua tristis is a synonym)
the nepticulid moth Stigmella tristis
the praying-mantis Amantis tristis
the praying-mantis Chrysomantis tristis
the burying mantis, Sphodropoda tristis
the dragonfly Anax tristis
the damselfly Argiolestes tristis
the spider Afroneta tristis
the spider Cnephalocotes tristis
the spider Dubiaranea tristis
the spider Eresus cinnaberinus (of which Eresus tristis is a synonym)
the spider Erigone tristis
the spider Lasaeola tristis
the spider Naubolus tristis
the spider Pelegrina tristis
the spider Phiale tristis
the spider Phlegra tristis
the spider Plectreurys tristis
the spider Plexippoides tristis
the spider Steatoda tristis
the spider Titanoeca quadriguttata (of which Titanoeca tristis is a synonym)
the crayfish Austropotamobius torrentium (of which Astacus tristis is a synonym)
the sea-snail Euterebra tristis
the sea-snail Mitra tristis
the land-snail Partula tristis
the snail Tomichia tristis
the lichenised fungus Jarmania tristis
Dr. Keil's Ada orchid, Ada keiliana (of which Brassia keiliana var. tristis is a synonym)
the orchid Cirrhaea dependens (of which Cirrhaea tristis is a synonym)
the hawthorn Crataegus visenda (of which Crataegus tristis is a synonym)
the palm Eugeissona tristis
the gladiolus Gladiolus tristis
Grewia tristis
Horsfieldia tristis
the orchid Luisia tristis
the stock Matthiola tristis
Myristica tristis
the bromeliad Neoregelia tristis
the bromeliad Puya tristis
the willow Salix alba 'Tristis'
Schefflera tristis
Tristis Wikipedia (Text) CC BY-SA