Genus: Triatovirus

Genus: Triatovirus

Distinguishing features

Cricket paralysis virus, Israeli acute paralysis virus, and triatoma virus possess a conserved ternary motif (Asp-Asp-Phe) thought to catalyze the cleavage of VP0 into VP3 and VP4. In triatoma virus, a second identical triad exposed to the capsid interior is present in VP3. This motif is conserved in black queen cell virus, Himetobi P virus, and Plautia stali intestine virus.


See discussion under family description.

Genome organization and replication

See discussion under family description.


See discussion under family description.

Derivation of names

Triato: derived from the name of the type species of the genus, Triatoma virus.

Species demarcation criteria

Sequence identity at the amino acid level between the capsid proteins of isolates and strains of a species is above 90%.

Member species

Exemplar isolate of the species
SpeciesVirus nameIsolateAccession numberRefSeq numberAvailable sequenceVirus Abbrev.
Black queen cell virusblack queen cell virusSouth AfricanAF183905NC_003784Complete genomeBQCV
Himetobi P virusHimetobi P virusAB017037NC_003782Complete genomeHiPV
Homalodisca coagulata virus 1Homalodisca coagulata virus 1DQ288865NC_008029Complete genomeHoCV1
Plautia stali intestine virusPlautia stali intestine virusAB006531NC_003779Complete genomePSIV
Triatoma virusTriatoma virusAF178440NC_003783Complete genomeTrV

Virus names, the choice of exemplar isolates, and virus abbreviations, are not official ICTV designations.