Three new species of the genus Bittacus Latreille, 1805 (Mecoptera: Bittacidae), with a key to the species of Bittacidae in South China Author Zhang, Yan-Na Author Du, Wei Author Hua, Bao-Zhen text Zootaxa 2020 2020-01-07 4718 3 381 390 journal article 24419 10.11646/zootaxa.4718.3.6 13c50c08-32cd-415a-818f-632ef4736aa6 1175-5326 3602528 40857F32-81DA-4DFC-A3B9-F2AA1B485542 Bittacus Latreille, 1805 Bittacus Latreille, 1805: 20 ; Esben-Petersen, 1921: 117; Carpenter, 1931: 257; Cheng, 1957: 90; Penny & Byers, 1979: 366 . Type species: Panorpa italica Müller, 1766 . Diagnosis. The genus Bittacus is similar to Terrobittacus , but can be differentiated from the latter by the following characters: 1) male epandrial lobe longer than half length of gonocoxite ( cf . epandrial lobe distinctly shorter than half length of gonocoxite; 3) tergum X saddle-like ( cf . tergum X vestigial or absent); 4) female subgenital plate separated mesally by a membranous area ( cf . subgenital plate almost fused mesally). Bittacus differs from Bicaubittacus by the male gonocoxites lacking paired prolongations distally.