Asia-Australia distribution patterns among species of Mystrothrips (Thysanoptera, Phlaeothripinae), with two new species Author Mound, Laurence A. Author Tree, Desley J. text Zootaxa 2018 2018-11-30 4526 3 347 357 journal article 27883 10.11646/zootaxa.4526.3.4 d66d482b-416a-461d-a5b2-7c60898c4e67 1175-5326 2611693 36B290D8-C78F-480C-9B55-67E8C9E55AA2 Key to Mystrothrips species [* based on description] 1. Prosternal basantra well-developed ( Fig. 8 ); antennal segment IV with 4 sense cones; antennal segments I–IV with one or more capitate setae.................................................................................. clavatoris -. Prosternal basantra weak or absent ( Figs 2 , 11 ); antennal segment IV with 3 sense cones; antennal segments I–IV with apical setae all acute........................................................................................ 2 2. Antennal segment III with 3 sense cones................................................................... 3 -. Antennal segment III with 2 or 0 sense cones................................................................ 4 3. Postocellar setae with apices broadly expanded (Fig. 16)................................................. dilatus -. Postocellar setae finely acute............................................................ dammermanni group 4. Antennal segment III with 0 sense cones; compound eye with 3 facets ( Fig. 22 ); maxillary stylets about 0.3 of head with apart; inner apex of fore tarsus with minute recurved tooth in both sexes.................................... nomadus sp.n. -. Antennal segment III with 2 sense cones; compound eye of microptera with at least 7 facets ( Fig. 1 ); maxillary stylets about 0.5 of head width apart; female without, male with or without fore tarsal tooth..................................... 5 5. Head smooth medially, without strong reticulate sculpture ( Fig. 28 ).......................................... levis * -. Head with well-developed reticulate sculpture............................................................... 6 6. Maxillary stylets scarcely retracted anterior to occipital ridge ( Fig. 1 ); meso and metanotal reticulate lines with many small tubercles ( Fig. 4 ); male without fore tarsal tooth................................................ brachystylis sp.n. -. Maxillary stylets retracted almost to postocular setae; meso and metanotal reticulate sculpture lines smooth (Figs 20, 21); male with small fore tarsal tooth....................................................................... reteanum