# Ptenothrix

Ptenothrix is a genus of globular springtails in the family Dicyrtomidae. There are about 92 described species in Ptenothrix worldwide. The genus is defined by a cluster of traits, most pertaining to chaetotaxy. These traits are as follows: large abdomen without a protuberance, with a full set of bothriotricha and posteriorly covered with small acanthoid chaetae, head and abdomen with at least some large acanthoid chaetae, hind tibiotarsus with 2-3 modified serrated chaetae, claws usually with no tunica, outer and inner chaetae on the dens often serrated, and no neosminthuroid chaetae.

## Species

These species belong to the genus Ptenothrix:
* Ptenothrix albosignata (Parona, 1888) Stach, J, 1957:90
* Ptenothrix alveola (Lucas, H, 1846:255) Janssens F, 2020:mihi
* Ptenothrix annulata Lin & Xia, 1985
* Ptenothrix argentina Delamare Deboutteville & Massoud, 1963:281
* Ptenothrix atra (Linnaeus, C, 1758) Börner, 1906
* Ptenothrix australis Snider, RJ, 1990:247
* Ptenothrix beta (Christiansen, K & Bellinger, P, 1981) Christiansen, K & Bellinger, P, 1998
* Ptenothrix blidana Bretfeld, G, 2001:119
* Ptenothrix borincana Soto-Adames, FN, 1988:65
* Ptenothrix brasiliensis Delamare Deboutteville & Massoud, 1963:285
* Ptenothrix brouquissei Nayrolles, 1989
* Ptenothrix californica (Christiansen, K & Bellinger, P, 1981:1234) Christiansen, K & Bellinger, P, 1998:1408
* Ptenothrix castanea Snider, RJ, 1985
* Ptenothrix catenata (Schött, 1921) Richards, 1968
* Ptenothrix cavicola Cassagnau, P et Delamare Deboutteville, C, 1955:392
* Ptenothrix ciliata Stach, J, 1957:102
* Ptenothrix ciliophora Yosii, R et Lee, C-E, 1963:17
* Ptenothrix corynophora Börner, C, 1909:130
* Ptenothrix curvilineata (Wray, 1949) Snider, RJ, 1990:256
* Ptenothrix dalii Zeppelini D, Ferreira AS et Oliveira JVLC in Oliveira, JVLC, Ferreira, AS et Zeppelini, D, 2020:2
* Ptenothrix deharvengi Nayrolles, 1989
* Ptenothrix delongi (Christiansen & Bellinger, 1981) Christiansen, K & Bellinger, P, 1998:1409
* Ptenothrix denticulata (Folsom, JW, 1899:268) Börner, C, 1909:131
* Ptenothrix dinghuensis Lin & Xia, 1985
* Ptenothrix dominicana Mari Mutt, JA, 1977:285
* Ptenothrix dorsalis (Reuter, OM, 1876:85) Linnaniemi, 1912
* Ptenothrix fiscellata Handschin, 1925
* Ptenothrix flavescens (Axelson, 1905)
* Ptenothrix fuscamaculata Bretfeld & Trinklein, 2000
* Ptenothrix gaoligongshanensis Itoh, R et Zhao, L-J, 2000:156
* Ptenothrix gibbosa Börner, C, 1906:185
* Ptenothrix gracilicornis (Schäffer, C, 1898:423) Börner, 1903
* Ptenothrix hawaiiensis Snider, RJ, 1990:74
* Ptenothrix higashihirajii Yosii, R, 1965:67
* Ptenothrix higumai Yosii, R, 1965:68
* Ptenothrix himalayensis Yosii, 1966
* Ptenothrix huangshanensis Chen, J-X et Christiansen, K, 1996:587
* Ptenothrix iriomotensis Uchida, H, 1965:92
* Ptenothrix janthina Börner, C, 1909:132
* Ptenothrix keralae Prabhoo, 1971
* Ptenothrix koreanensis Jo, S-H et Park, K-H, 2023:126
* Ptenothrix kuraschvilii Djanaschvili, 1970
* Ptenothrix lactea Uchida, 1953
* Ptenothrix leucostrigata Stach, J, 1957:98
* Ptenothrix macomba Wray, 1967
* Ptenothrix maculosa (Schott, 1891)
* Ptenothrix marmorata (Packard, 1873) Mills, HB, 1934
* Ptenothrix mongolica Yosii, 1954
* Ptenothrix monochroma Yosii, R et Lee, C-E, 1963:20
* Ptenothrix narumii Uchida, 1940
* Ptenothrix nigricornis (Ionesco, 1916) Stach, J, 1957:91
* Ptenothrix ocellata (Becker, 1902)
* Ptenothrix palawanensis Yosii, R, 1969:223
* Ptenothrix palmata (Folsom, JW, 1902) Stach, J, 1957
* Ptenothrix palmisetacea Lin & Feng, 1985
* Ptenothrix plumiseta Kang J-S et Lee B-H in Kang, J-S, Lee, B-H et Park, K-H, 2005:235
* Ptenothrix quadrangularis (Mills, HB, 1934:106)
* Ptenothrix renateae Snider, RJ, 1985
* Ptenothrix reticulata Stach, J, 1957:105
* Ptenothrix rubra Bretfeld & Trinklein, 2000
* Ptenothrix ryoheii Uchida, 1953
* Ptenothrix saxatilis Yosii, R et Lee, C-E, 1963:19
* Ptenothrix setosa (Krausbauer, 1898:24) Handschin, B, 1929:125
* Ptenothrix simplificata Stach, 1957
* Ptenothrix sinensis Lin & Feng, 1985
* Ptenothrix tateyamana Uchida, H, 1958:76
* Ptenothrix texensis (Packard, AS, 1873:42) Stach, J, 1957:80
* Ptenothrix tranvansoii Yoshii, 1994
* Ptenothrix tricycla Uchida, 1953
* Ptenothrix tsutsuii Yosii, R, 1955:398
* Ptenothrix unicolor (Harvey, 1893) Folsom, 1928
* Ptenothrix utingae Arlé & Guimaraes, 1976
* Ptenothrix vinnula Uchida, H, 1957:26
* Ptenothrix violacea Handschin, 1929
* Ptenothrix violaceopa Hüther, 1967
* Ptenothrix vittata (Folsom, 1896) Folsom, 1934
* Ptenothrix yakushimana Yosii, R, 1965:65
* Ptenothrix yunnana Itoh, R et Zhao, L-J, 2000:159