FIGURE 4 in A second species of Bittacus Latreille, 1805 (Mecoptera: Bittacidae) from Hainan Island, China

FIGURE 4. Bittacus diaoluoshanus sp. nov. A. Head in frontal view. B. Subgenital plate and apical abdominal segments of female in ventral view. C. End of female abdomen in lateral view. D. abdominal segment X and supraanal plate of female in dorsal view. Ac, antecosta; Ant, antenna; Ce, cercus; Fr, frons; Lm, labrum; MP, maxillary palp; SaP, subanal plate; SgP, subgenital plate; Sp, spiracle; SpaP, supraanal plate; T, tergum. Scale bars: A and C = 0.5 mm; B and D = 0.25 mm.