The genus Ortholaba (Hymenoptera: Ichneumonidae: Diacritinae) with description of a new species Author Sun, Shu-Ping Author Sheng, Mao-Ling text Zootaxa 2006 1340 51 55 journal article 10.5281/zenodo.174397 e00cd6e1-20a8-43f0-a4c9-0f56646dfce4 1175­5326 174397 Genus Ortholaba Townes, 1969 Ortholaba Townes, 1969 :129 . Type species: Ortholaba tenuis Townes, 1969 :129 . Diagnosis . Ortholaba can be distinguished from Diacritus and Cressonia by any of the following characters: upper tooth of mandible a little shorter than lower tooth. Mesoscutum with moderately dense punctures (not almost impunctate). Propodeum without median longitudinal carinae. First abdominal segment straight (not weakly decurved). Ovipositor sheath 1.6–1.9X as long as forewing length (not less than 0.6X). Ovipositor attenuate apically, its apical portion very slender.