Figs 17–20. Culicoides insignis Lutz, 1913. 18 in Study of the immature stages of two species of the biting midge genus Culicoides (Diptera: Ceratopogonidae)

Figs 17–20. Culicoides insignis Lutz, 1913. 18 – male pupa; 17, 19–20 – female pupa; 17 – cephalothorax, ventral view; 18 – clypeal/labral sensilla and ocular sensilla; 19 – dorsal apotomal sensillum, cephalothoracic sensilla and respiratory organ; 20 – dorsal setae. Scale bars: 0.05 mm.Abbreviations: AN – antennae; CL-1-H, CL-2-H – clypeal/ labral sensilla; DA-1-H – dorsal apotomal sensillum; DL-1-H, DL-2-H, DL-3-H – dorsolateral cephalic sclerite sensilla; D-1-T, D-2-T, D-3-T, D-4-T, D-5-T – dorsal setae; O-1-H, O-2-H, O-3-H – ocular sensilla; P – pedicel; p – pores; RO – respiratory organ; SA-2-T – supraalar.