taxonID	type	description	language	source
039CD15EFF89FF919AE35163FF4CF95A.taxon	description	(Figures 1 (a – c), 6 (a), 7 (a), 9 (a), 10 (a), 11 (a ))	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF89FF919AE35163FF4CF95A.taxon	materials_examined	Materials examined THAILAND; 2 larvae (on slides), Baan Bor Luang, Nan Prov., 19.149568 ° N, 101.154603 ° E, alt. 659 m, 5 - II- 2016, B. Boonsoong leg. (ZMKU); 1 larva (in ethanol), Na Noi, Nan Prov., 18.333050 ° N, 100.620817 ° E, alt. 341 m, 26 - VI- 2017, B. Boonsoong leg. (ZMKU); 4 larvae (2 on slides; 2 in ethanol), Mae Na, Chiang Dao, Chiang Mai Prov., 19.320300 ° N, 98.890550 ° E, alt. 742 m, 11 - III- 2017, B. Boonsoong leg. (ZMKU); 2 larvae (in ethanol), Huai Ka Mui, Hua Hin, Prachuap Khiri Khan Prov., 12.978200 ° N, 99.582050 ° E, alt. 108 m, 24 - II- 2018, B. Boonsoong leg. (ZMKU); 4 larvae (in ethanol), Chan Ta Then waterfall, Sri Racha, Chonburi Prov., 13.242400 ° N, 101.044200 ° E, alt. 162 m, 6 - VI- 2018, B. Boonsoong leg. (ZMKU).	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF89FF919AE35163FF4CF95A.taxon	description	Head. Labrum expanded laterally, ca. 3.75 times larger than long, with rounded apexes; dorsal surface and anterior margin covered with long and thin setae. Crown of the galealacinia of the maxillae with ca. 16 – 20 comb-shaped setae. Right mandible with 7 – 8 fimbriate setae below the inner incisor and ca. 4 – 5 long, simple and thin setae below the mola. Left mandible with 7 – 9 fimbriate setae below the inner incisor and ca. 5 – 6 long simple and thin setae below the mola. Hypopharynx with robust lingua bearing a tuft of small setae, superlinguae densely covered with long and thin setae up to the lower part of the superlinguae. Labium with glossae rhomboid, inner and outer margins clearly concave near apex (Figure 6 (a )). Thorax. Pronotum greatly expanded laterally and posteriorly, and basally fused to the mesonotum (Figure 1 (a – b )). Femora with submarginal rows of pointed bristles on the inner and outer margins, increasing in numbers from the fore to the hind leg. Bristles on the dorsal surface of hind femora with subparallel or slightly convergent margin, apex rounded or truncate (Figure 7 (a )). Hind tibia with one row of thin setae and a row of 7 – 11 arrow-shaped bristles in marginal and submarginal position. Tarsal claw with 3 – 4 teeth (Figure 9 (a )). Abdomen. Posterolateral expansion not developed on segment I, weakly developed on segment II, strongly developed on segment III and increasing in size up to VIII and subparallel to the body (Figure 1 (c )). Gill I with asymmetrical elongated and rounded plate, 1.5 times longer than wide (Figure 10 (a )). Gill II – VI strongly asymmetrical, wider than long. Gill VII oval and almost symmetrical. Posterior margin of tergites with irregularly pointed teeth and numerous row of microdenticle rows (Figure 11 (a )). Cerci whitish in the proximal part, with 3 – 4 dark brown bands increasing in size towards the apex.	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF8BFF939BBA50D1FE7DF963.taxon	description	(Figures 2 (a – c), 6 (b), 7 (b), 8 (a), 9 (b), 10 (b), 11 (b ))	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF8BFF939BBA50D1FE7DF963.taxon	materials_examined	Materials examined THAILAND; 1 larva (on slide), Ton Sator waterfall, Phatthalung Prov., 7.195383 ° N, 100.071533 ° E, alt. 101 m, 12 - III- 2016, B. Boonsoong leg. (ZMKU); 4 larvae (2 on slides; 2 in ethanol), Khao Luang waterfall, Lan Sa Ka, Nakhon Si Thammarat Prov., 8.369071 ° N, 99.735035 ° E, alt. 533 m, 2 - VII- 2016, B. Boonsoong leg. (ZMKU); 3 larvae (1 on slide; 2 in ethanol), Boripat waterfall, Songkla Prov., 6.995033 ° N, 100.150933 ° E, alt. 171 m, 12 - III - 2016, B. Boonsoong leg. (ZMKU); 3 larva (1 on slide; 2 in ethanol), Ton Nga Chang, Songkla Prov., 6.949000 ° N, 100.235033 ° E, alt. 119 m, 12 - III- 2016, B. Boonsoong leg. (ZMKU); 1 larva (in ethanol), Huai Sat Lek, Hua Hin district, Prachuap Khiri Khan Prov., 12.635750 ° N, 99.509917 ° E, alt. 166 m., 25 - II- 2018, B. Booonsoong leg. (ZMKU); 2 larvae (in ethanol), Chan Ta Then waterfall, Sri Racha, Chonburi Prov., 13.242400 ° N, 101.044200 ° E, alt. 162 m, 6 - VI- 2018, B. Boonsoong leg. (ZMKU); 1 larva (in ethanol), Nok Ngang, Ranong Prov., 9.706066 ° N, 98.577366 ° E, alt. 11 m., 21 - IV- 2018, B. Booonsoong leg. (ZMKU)	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF8BFF939BBA50D1FE7DF963.taxon	description	Head. Labrum slightly expanded laterally, ca. 3.5 times larger than long, with rounded apexes; dorsal surface and anterior margin covered with long and thin setae. Crown of the galea-lacinia of the maxillae with ca. 22 – 25 comb-shaped setae. Right mandible with 7 – 8 fimbriate setae below the inner incisor and ca. 4 – 5 long simple and thin setae below the mola. Left mandible with 10 – 11 simple and fimbriate setae below the inner incisor and ca. 6 – 7 long simple and thin setae below the mola. Hypopharynx with robust lingua bearing a tuft of small setae, superlinguae densely covered with long and thin setae up to the lower part of the superlinguae. Labium with glossae rhomboid slightly concave on their inner and outer margin near apex (Figure 6 (b )). Thorax. Pronotum slightly expanded laterally and posteriorly and basally fused to mesonotum (Figure 2 (a – b )). Femora with submarginal rows of pointed bristles on inner and outer margins, increasing in numbers from the fore to the hind leg. Bristles on dorsal surface of hind femora arrow shaped, clearly pointed (Figure 7 (b )). Hind tibia with two rows of thin setae (Figure 8 (a )) and a row of 7 – 8 arrow-shaped bristles in the marginal or submarginal position. Tarsal claw with 3 – 4 teeth (Figure 9 (b )). Abdomen. Posterolateral expansion not developed on segment I, weakly developed on segment II, strongly developed on segment III and increasing size up to VIII and divergent with the body (Figure 2 (c )). Gill I with asymmetrical elongated and rounded plate, 2 times longer than wide (Figure 10 (b )). Gill III – VI strongly asymmetrical, wider than long. Gill VII oval and almost symmetrical with inner concave margin near apex. Posterior margin of the tergites with irregularly pointed teeth, and numerous microdenticle rows (Figure 11 (b )). Cerci whitish in proximal part, with 3 – 4 dark brown bands increasing size towards apex.	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF85FF9F9B8250D1FC85FD79.taxon	description	(Figures 3 (a – c), 6 (c), 7 (c), 9 (c), 10 (c), 11 (c ))	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF85FF9F9B8250D1FC85FD79.taxon	materials_examined	Materials examined THAILAND; 1 larva (in ethanol), Padsaduklang, Kanchanaburi Prov., 14.553611 ° N, 98.571389 ° E, alt. 317 m, 20 - II- 2016, B. Boonsoong leg. (ZMKU); 2 larvae (in ethanol), Karome waterfall, Nakhon Si Thammarat Prov., 8.369071 ° N, 99.735035 ° E, alt. 104 m, 13 - IV - 2016, B. Boonsoong leg. (ZMKU); 2 larvae (in ethanol), Ton Sator waterfall, Phatthalung Prov., 7.195383 ° N, 100.071533 ° E, alt. 101 m, 12 - III- 2016, B. Boonsoong leg. (ZMKU); 1 larva (on slide), Nam Thob Ranger, Loei Prov., 17.259722 ° N, 101.413611 ° E, alt. 338 m, 1 - I- 2016, B. Boonsoong leg. (ZMKU); 3 larvae (1 on slides; 2 in ethanol), Wang Ta Krai, Nakhon Nayok Prov., 14.326639 ° N, 101.301639 ° E, alt. 20 m, 23 - I- 2016, B. Boonsoong leg. (ZMKU); 1 larva (in ethanol), Baan Bor Wee waterfall, Ratchaburi Prov., 13.476317 ° N, 99.241850 ° E, alt. 195 m, 15 - VII- 2015, B. Boonsoong leg. (ZMKU); 3 larvae (1 on slide; 2 in ethanol), Khao Luang waterfall, Lan Sa Ka, Nakhon Si Thammarat Prov., 8.369071 ° N, 99.735035 ° E, alt. 533 m, 2 - VII- 2016, B. Boonsoong leg. (ZMKU); 2 larvae (1 on slide; 1 in ethanol), Mae Na, Chiang Dao, Chiang Mai Prov., 19.320300 ° N, 98.890550 ° E, alt. 742 m, 11 - III- 2017, B. Boonsoong leg. (ZMKU); 3 larvae (2 on slides; 1 in ethanol), Baan Prachummi, Kanchanaburi Prov., 14.583722 ° N, 98.581750 ° E, alt. 252 m, 27 - V- 2017, W. Sutthacharoenthad leg. (ZMKU); 5 larvae (in ethanol), Huai Pueng, Kanchanaburi Prov., 14.972782 ° N, 98.897135 ° E, alt. 710 m., 4 - VI- 2017, B. Boonsoong leg. (ZMKU); 5 larvae (in ethanol), Khli Ti Creek, Kanchanaburi Prov., 14.954914 ° N, 98.923592 ° E, alt. 690 m., 2 - VI- 2017, B. Boonsoong leg. (ZMKU); 6 larvae (in ethanol), Wat Lan Sang, Tak Prov., 16.781433 ° N, 99.021183 ° E, alt. 420 m., 25 - XII- 2017, W. Sutthacharoenthad leg. (ZMKU); 6 larvae (in ethanol), Tha Ley, Tak Prov., 16.741133 ° N, 99.045167 ° E, alt. 327 m., 26 - XII- 2017, W. Sutthacharoenthad leg. (ZMKU); 5 larvae (in ethanol), Um Yom, Tak Prov., 16.804350 ° N, 99.002300 ° E, alt. 249 m., 26 - XII- 2017, W. Sutthacharoenthad leg. (ZMKU); 3 larvae (in ethanol), Mae Ya-U, Tak Prov., 16.741517 ° N, 98.809083 ° E, alt. 320 m., 26 - XII - 2017, W. Sutthacharoenthad leg. (ZMKU); 2 larvae (in ethanol), Mae Ka Sa Mai, Tak Prov., 16.875517 ° N, 98.621683 ° E, alt. 200 m., 26 - XII- 2017, W. Sutthacharoenthad leg. (ZMKU); 1 larva (in ethanol), Huai Sat Lek, Hua Hin district, Prachuap Khiri Khan Prov., 12.635750 ° N, 99.509917 ° E, alt. 166 m., 25 - II- 2018, B. Booonsoong leg. (ZMKU); 6 larvae (in ethanol), Ai Ka Ding stream, Waeng district, Narathiwat Prov., 5.935067 ° N, 101.909300 ° E, alt. 20 m., 21 - IV- 2018, B. Boonsoong leg. (ZMKU); 8 larvae (in ethanol), Chan Ta Then waterfall, Sri Racha, Chonburi Prov., 13.242400 ° N, 101.044200 ° E, alt. 162 m, 6 - VI- 2018, B. Boonsoong leg. (ZMKU); 3 larvae (in ethanol), Punyaban waterfall, Thannon Phet Kasem, Ranong Prov., 10.065066 ° N, 98.670183 ° E, alt 52 m, 19 - IV- 2018, B. Boonsoong leg. (ZMKU). Head. Labrum expanded laterally, ca. 4.2 times larger than long, with rounded apexes; dorsal surface and anterior margin covered with long and thin setae. Crown of the galealacinia of the maxillae with ca. 18 – 20 comb-shaped setae. Right mandible with 7 – 8 fimbriate setae below the inner incisor and ca. 5 – 7 long simple and thin setae below the mola. Left mandible with 9 – 10 fimbriate setae below the inner incisor and ca. 4 – 5 long, simple and thin setae below the mola. Hypopharynx with robust lingua bearing a tuft of small setae, superlinguae densely covered with long and thin setae up to the lower part of the superlinguae. Labium with glossae rhomboid slightly concave in their inner and outer margins near apex (Figure 6 (c )). Thorax. Pronotum greatly expanded laterally and posteriorly, and basally fused to the mesonotum (Figure 3 (a – b )). Femora with submarginal rows of pointed bristles on the inner and outer margins, increasing in numbers from the fore to the hind leg. Bristles on the dorsal surface of the hind femora with subparallel or slightly convergent margins, apexes rounded or truncate (Figure 7 (c )). Hind tibia with one row of thin setae and a row of 5 – 7 arrow-shaped bristles in the marginal or submarginal position. Tarsal claw with 3 – 4 teeth (Figure 9 (c )). Abdomen. Posterolateral expansion not developed on segment I – II, weakly developed on segment III, strongly developed on segment IV and increasing in size up to VIII and divergent with the body (Figure 3 (c )). Gill I with asymmetrical elongated and rounded plate, 2 times longer than wide (Figure 10 (c )). Gill II – VI strongly asymmetrical, wider than long. Gill VII oval and almost symmetrical. Posterior margin of tergites with irregularly pointed teeth, and numerous microdenticle rows (Figure 11 (c )). Cerci pale yellow with 3 – 4 dark brown bands increasing in size towards apex.	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF87FF999BB352B5FBBDFCDF.taxon	description	(Figures 4 (a – c), 5 (a – c), 6 (d), 7 (d), 8 (b), 10 (d), 11 (d), 12 (a – f ))	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF87FF999BB352B5FBBDFCDF.taxon	materials_examined	Materials examined HOLOTYPE: mature nymph on slide, Soi Sawan waterfall, Ubon Ratchathani Prov., 15.459933 ° N, 105.578350 ° E, alt. 267 m, 3 - II- 2017, B. Boonsoong leg. (ZMKU). PARATYPES: 1 nymph on slide and 3 nymph in ethanol same data as holotype (ZMKU); 1 nymph in ethanol same data as holotype (MZL); 1 larva (on slide), Sarika, Nakhon Nayok Prov., 14.296194 ° N, 101.269583 ° E, alt. 20 m, 23 - I- 2016, B. Boonsoong leg. (ZMKU).	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF87FF999BB352B5FBBDFCDF.taxon	description	Head. Labrum expanded laterally, ca. 3.8 times larger than long, with round apexes; dorsal surface and anterior margin covered with long thin setae (Figure 12 (a )). Maxilla with long, simple setae on inner margin of galea-lacinia and with fimbriate setae scattered on ventral surface. Basal segment of maxillary palp with rows of thin and simple setae on inner and outer margins; apical segment pointed, with rows of simple setae on outer margin. Crown of the galea-lacinia of the maxillae with ca 16 combshaped setae (Figure 12 (b )). Mandibles strongly bent in their distal part; lateral margins with several rows of long and thin setae; left mandible with outer incisor serrate on inner margin, composed of ca. 6 teeth; inner incisor bifid, bearing two seta-like; with 6 fimbriate setae below the inner incisor (Figure 12 (c )). Right mandible with outer incisor serrate on inner margin, composed of ca. 8 teeth; inner incisor trifid; 9 fimbriate setae below incisors (Figure 12 (d )). Hypopharynx with robust lingua bearing a tuft of small setae, superlinguae densely covered with long and thin setae replaces before the apex by small setae up to near the lower part of superlinguae (Figure 12 (e )). Labium with glossae rhomboid, almost straight on their inner and outer margins near the apex (Figure 12 (f )). Thorax. Pronotum weakly expanded, not wider than the head and basally not fused to the mesonotum (Figures 4 (a – b) & (5 a – b )). Fore femora with submarginal row (s) of stout bristles on the inner and outer margins. Hind femora with submarginal row of pointed bristles on the inner and outer margins and subparallel or slightly convergent margin, apex rounded (Figure 7 (d )). Hind tibia with one row of thin setae in marginal position (Figure 8 (b )) and a row of 10 – 12 pointed bristles in the marginal or submarginal positions. Tarsal claw with 3 teeth (Figure 9 (d )). Abdomen. Posterolateral expansions not developed on segment I and II, weakly developed on segment III – IV, moderately developed on segment V and reaching their maximum size on segment VIII (Figures 4 (c) & 5 (c )). Gill I with asymmetrical elongated and rounded plate, 2 times longer than wide. Gill II – VI strongly asymmetrical, wider than long (Figure 10 (d )). Gill VII oval and almost symmetrical. Posterior margin of tergites with irregularly pointed teeth and a few microdenticle rows (Figure 11 (d )). Cerci brownish red with medium brown bands increasing in size towards the apex. Paracercus whitish in the proximal part, with a dark brown band every 2 – 3 segments.	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
039CD15EFF87FF999BB352B5FBBDFCDF.taxon	etymology	Etymology The epithet is derived from the name of Thailand, referring to the type locality.	en	Sutthacharoenthad, Waranid, Sartori, Michel, Boonsoong, Boonsatien (2019): Integrative taxonomy of Thalerosphyrus Eatonı 1881 (Ephemeropteraı Heptageniidae) in Thailand. Journal of Natural History 53 (23): 1491-1514, DOI: 10.1080/00222933.2019.1657513
