Two new species of Allonychiurus Yoshii, 1995 (Collembola, Onychiuridae) from eastern China, with a key to world species of the genus Author Chang, Liang Author Sun, Xin text Zootaxa 2016 4061 4 429 437 journal article 51209 10.11646/zootaxa.4061.4.7 be72b784-658c-4ae6-bbaa-3113a4f96b68 1175-5326 270399 D0587A18-3B65-44EA-80F7-64A12D93140B Key to world known species of Allonychiurus Yoshii, 1995 1 AIIIO with four papillae............................................................................... 2 - AIIIO with five papillae.............................................................................. 10 2 Dorsal pso formula as 32/233/33343..................................................................... 3 - Dorsal pso formula not as above........................................................................ 8 3 Tibiotarsi I–III with 7 chaetae in distal whorl......................................... volinensis ( Szeptycki, 1964 ) - Tibiotarsi I–III with 9 chaetae in distal whorl.............................................................. 4 4 Ventral pso formula as 11/000/11120..................................................................... 5 - Ventral pso formula as 11/000/01120 or 11/000/01110....................................................... 6 5 Ventral tube with 1+1 anterior chaetae, male ventral organ present on Abd. IV sternum......................................................................................... subvolinensis Babenko, Chimitova & Stebaeva, 2011 - Ventral tube without anterior chaetae, male ventral organ present on genital plate....... mariangeae ( Thibaud & Lee, 1994 ) 6 Ventral pso formula as 11/000/01110, labial palp of ABC type .......... unisetosus Babenko, Chimitova & Stebaeva, 2011 - Ventral pso formula as 11/000/01120, labial palp of AC type .................................................. 7 7 Th. I–III sterna with 0+0, 1+1, 1+1 chaetae, S-chaetae formula as 11/011/222010................................................................................................ elikonius Babenko, Chimitova & Stebaeva, 2011 - Th. I–III sterna with 1+1, 1+1, 1+1 chaetae, S-chaetae formula as 11/011/222121................ songi Sun & Wu, 2012 8 Subcoxae 1 of legs I–III with 1, 2, 2 pso respectively........................................ foliatus ( Rusek, 1967 ) - Subcoxae 1 of legs I–III with 1, 1, 1 pso respectively........................................................ 9 9 Dorsal pso formula as 22/222/22222, ventral pso formula as 11/200/00110................ donjiensis ( Lee & Kim, 1994 ) - Dorsal pso formula as 32/233/33333, ventral pso formula as 10/000/01020................ jindoensis ( Lee & Kim, 1994 ) 10 Th. I tergum with 2+2 pso............................................................................ 11 - Th. I tergum with 1+1 pso or without pso................................................................ 12 11 Ventral pso formula as 11/000/01120................................................. asiaticus ( Babenko, 2007 ) - Ventral pso formula as 11/000/01110.............................................. shandongensis Sun & Li, 2015 12 Th. I tergum without pso............................................................................. 13 - Th. I tergum with 1+1 pso............................................................................ 15 13 Dorsal pso formula as 32/022/3334–53.................................................................. 14 - Dorsal pso formula as 32/022/33343.............................................. pseudocellitriadis ( Lee, 1974 ) 14 Ventral pso formula as 12/000/21120..................................................... zhejiangensis sp. nov. - Ventral pso formula as 2/000/00000......................................... A. indicus (Choudhouri & Roy, 1965 ) 15 Dorsal pso formula as 32/133/33343.................................................................... 16 - Dorsal pso formula not as above....................................................................... 20 16 Ventral pso formula on Abd. I–V as 0 1110............................................................... 17 - Ventral pso formula on Abd. I–V not as above............................................................ 19 17 Number of chaetae on both side of axial line on Th. II tergum as 3+3..... flavescens ( Kinoshita, 1916 ) (after Yoshii, 1995 ) - Number of chaetae on both side of axial line on Th. II tergum as 4+4........................................... 18 18 Tibiotarsi I–III with 9 chaetae in distal whorl, unguiculus with basal lamella.................... mediaseta ( Lee, 1974 ) - Tibiotarsi I–III with 11 chaetae in distal whorl, unguiculus without basal lamella...... megasomus Sun, Yan & Chen, 2009 19 Ventral pso formula as 11/000/01000, 4+4 p-chaetae between posterior a-pso on head................................................................................................... antennalis Sun, Chen & Deharveng, 2011 - Ventral pso formula as 11/000/01010, 3+3 p-chaetae between posterior a-pso on head........... shinbugensis ( Lee, 1974 ) 20 Dorsal pso formula as 32/122/33343.................................................................... 21 - Dorsal pso formula not as above....................................................................... 22 21 Unguiculus with basal lamella, head ventrally with 2 + 2 pso................................... pseudokimi sp. nov. - Unguiculus without basal lamella, head ventrally with 1 + 1 pso................................... kimi ( Lee, 1973 ) 22 Dorsal pso formula as 32/123/33343............................................... hangchowensis ( Stach, 1964 ) - Dorsal pso formula as 32/132/33343.................................................................... 23 23 Head ventrally with 1 + 1 pso, unguiculus/unguis as 1/2................................ shanghaiensis ( Rusek, 1971 ) - Head ventrally with 2 + 2 pso, unguiculus/unguis as 2/3............................... jongaksanensis ( Weiner, 1989 )