a. Ornithoica sp. head; b. Icosta sp. abdomen showing plates and spiracles in dorsal (left) and ventral (right) view; c. Icosta sp. tarsus I with the fives tarsomeres (Ta-III and Ta-IV are asymmetrical); d. Ornithoica sp. wing showing venation and cells (3bc, anal cell; a, axillary lobe; A, anal vein; R, radial; M, media; r-m, discal; im, postical; mcu, base of upper postical); e. Icosta sp. thorax in dorsal (left) view; f. tarsal claw simple; g. tarsal claw bidentate.