Ptenothrix

Ptenothrix is a genus of globular springtails in the family Dicyrtomidae. There are about 92 described species in Ptenothrix worldwide.^[1][2] 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.^[2]

Ptenothrix
Ptenothrix beta
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Collembola
Order:	Symphypleona
Family:	Dicyrtomidae
Subfamily:	Ptenothricinae
Genus:	Ptenothrix Boerner, 1906

Species

These species belong to the genus Ptenothrix:^[3][4][5][1]

• 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