Ultrastructure of attachment specializations of hexapods (Arthropoda): evolutionary patterns inferred from a revised ordinal phylogeny Author R. G. Beutel Author S. N. Gorb text J. Zool. Syst. Evol. Research 2001 39 177 207 journal article 10.1046/j.1439-0469.2001.00155.x 95b3d62f-8fcc-4088-873f-b33f4a63d3fc 2360323 29 Strepsiptera The full number of five tarsomeres and double claws are present in males of Mengenillidae , Mengeidae and Triozocerinae ( Kinzelbach 1971 ) . Tarsomeres are densely covered with hairs ( Kinzelbach 1971 ). Broadened proximal tarsomeres, and loss of claws and the distal tarsomere, is characteristic of males of Stylopiformia ( Kinzelbach 1971 ).