taxonID	type	description	language	source
0968E4C404D958CC94221D1330031702.taxon	description	Fig. 2	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
0968E4C404D958CC94221D1330031702.taxon	etymology	Etymology. The name refers to the fungus’s outer appearance on the host, which resembles a small flower.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
0968E4C404D958CC94221D1330031702.taxon	description	Description. Sexual morph: Not observed. Asexual morph: Synnemata several, clavate, arising from the various parts of the head, thorax, and abdominal region of the host, cylindrical, unbranched, brown to dark brown at the base, light brown to grey towards the apex, 2 – 5 mm long, 50 – 100 μm wide, fertile region located at the terminal part of the synnemata. Conidiogenous cells Hymenostilbe - like, phialidic, forming a hymenial layer. Phialides cylindrical with short crowded denticles, (10 –) 12 – 17 (– 20) × 2 – 4 μm (n = 35, 14.2 ± 3.1 × 2.6 ± 0.6 μm). Conidia hyaline smooth-walled, fusoid, 6 – 10 × 2 – 3 μm (n = 35, 8.1 ± 1.3 × 2.5 ± 0.5 μm).	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
0968E4C404D958CC94221D1330031702.taxon	description	Culture characteristics. All isolates of O. floriformis were successfully obtained. However, no growth was observed on PDA during the primary isolation process, possibly due to its fastidious nature.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
224EB8457BF354F497B64DF0E8EB5934.taxon	description	Fig. 3	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
224EB8457BF354F497B64DF0E8EB5934.taxon	etymology	Etymology. Named after the host genus, Musca domestica.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
224EB8457BF354F497B64DF0E8EB5934.taxon	description	Description. Stromata stipitate, usually two stromata arising from the thorax region of host, beneath the wings, capitate, unbranched. Stipes cylindrical, smooth, brownish-orange (165 B), 4 – 8 mm long, 0.5 – 1.5 mm wide with a fertile apex. Sexual morph: Fertile heads hemispherical to globoid, upper surface slightly convex, moderate orange yellow (164 B – C), located at the terminal part of stipes, 1 – 2 mm thick, 1.5 – 2 mm diam. Perithecia immersed, ovoid to obclavate, (820 –) 875 – 1020 (– 1100) × (320 –) 350 – 390 (– 400) μm (n = 20, 947.3 ± 71.2 × 367.5 ± 19 μm). Asci cylindrical, up to 720 μm long, 4 – 5 μm (n = 20, 4.4 ± 0.5 μm) wide, with cap 3 – 5 μm thick. Ascospores filiform, multi-septate, breaking into 64 part-spores, cylindrical to fusoid, 10 – 12 (– 13) × 1.5 – 2 μm (n = 50, 10.8 ± 0.8 × 1.8 ± 0.2 μm). Asexual morph: Synnemata usually arising from posterior abdomen region of host, solitary, cylindrical, unbranched, brown to dark brown at the base, light brown to grey towards the apex, 5 – 12 × 0.5 – 1.5 mm, fertile region located at about two-thirds of the synnema length. Conidiogenous cells Hymenostilbe - like, phialidic, forming a hymenial layer. Phialides cylindrical with short crowded denticles, (12 –) 14 – 17.5 (– 20) × 3 – 4 μm (n = 30, 15.4 ± 1.9 × 3.3 ± 0.4 μm). Conidia hyaline smooth-walled, fusoid, (5 –) 6 – 8 (– 10) × 1.5 – 3 μm (n = 30, 6.8 ± 1.1 × 2.1 ± 0.2 μm).	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
224EB8457BF354F497B64DF0E8EB5934.taxon	description	Culture characteristics. Colonies on OA attaining a diam. of 7 – 10 mm in 30 days, mycelium sparse, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed. Colonies on PDA attaining a diam. of 7 – 10 mm in 30 days, high mycelium density, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
8BA2BBA260B75F28B2909380FF30DEB3.taxon	description	Fig. 4	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
8BA2BBA260B75F28B2909380FF30DEB3.taxon	description	Description. Stromata stipitate, two to three stromata arising from the thorax region of host, beneath the wings, capitate, unbranched. Stipes cylindrical, smooth, brownish-orange (165 B), 5 – 8 mm long, 1 – 1.5 mm wide with a fertile apex. Sexual morph: Fertile head hemispherical to globoid, upper surface slightly convex, moderate orange yellow (164 C), located at the tip of stipes, 2 – 2.5 mm thick, 3 – 4 mm diam. Perithecia immersed, ovoid to obclavate, (720 –) 825 – 1017 (– 1100) × (240 –) 270 – 355 (– 400) μm (n = 30, 919.8 ± 97 × 313.4 ± 42 μm). Asci cylindrical, up to 300 μm long, 4 – 6 μm (n = 20, 5.3 ± 0.5) wide, with cap 4 – 6 μm thick. Ascospores filiform, multi-septate, breaking into 64 part-spores, cylindrical to fusoid, 10 – 12 × 1.5 – 2.5 μm (n = 50, 11 ± 1 × 2.1 ± 0.4 μm). Asexual morph: Synnemata arising from head, thorax, abdomen regions of host, solitary, multiple, cylindrical, unbranched, brown to dark brown at the base, light brown to grey towards the apex, 4 – 20 × 0.5 – 1 mm, fertile part located at the two-thirds length of the synnemata. Conidiogenous cells Hymenostilbe - like, phialidic, forming a hymenial layer. Phialides cylindrical with short crowded denticles, (10 –) 11.5 – 16.5 (– 20) × 3 – 3.5 (– 4) μm (n = 30, 14 ± 3 × 3.2 ± 0.4 μm). Conidia hyaline smooth-walled, fusiform, (5 –) 6 – 8 (– 10) × 2 – 2.5 (– 3) μm (n = 30, 7.1 ± 1 × 2.2 ± 0.4 μm).	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
8BA2BBA260B75F28B2909380FF30DEB3.taxon	description	Culture characteristics. Colonies on OA attaining a diam. of 7 – 10 mm in 30 days, mycelium sparse, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed. Colonies on PDA attaining a diam. of 7 – 10 mm in 30 days, high mycelium density, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
25D3C6ED5B395370A5C1FD2B1DBC9288.taxon	description	Fig. 5	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
25D3C6ED5B395370A5C1FD2B1DBC9288.taxon	etymology	Etymology. Named after the host genus, Tabanus.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
25D3C6ED5B395370A5C1FD2B1DBC9288.taxon	description	Description. Stromata stipitate, usually two stromata arising from the thorax region of host, beneath the wings, capitate, unbranched. Stipes cylindrical, smooth, tough, brownish-orange (165 A – B), 4 – 10 mm long, 1.5 – 2 mm wide. Sexual morph: Fertile head hemispherical to globoid, upper surface slightly convex, moderate orange (167 B – C), located at the terminal part of stipes, 2 – 3 mm thick, 3 – 4 mm diam. Perithecia immersed, ovoid to obclavate, (1000 –) 1025 – 1148 (– 1180) × (320 –) 325 – 380 (– 450) μm (n = 15, 1087 ± 61.6 × 361 ± 43.2 μm). Asci cylindrical, (550 –) 636 – 870 (– 880) × (4 –) 4.5 – 6 μm (n = 30, 753.5 ± 116.8 × 5 ± 0.5 μm) with cap 3 – 6 μm thick. Ascospores filiform, multi-septate, breaking into 64 part-spores, cylindrical to fusoid, (10 –) 11 – 13 (– 14) × (1 –) 1.5 – 2 μm (n = 50, 11.8 ± 1.3 × 1.8 ± 0.3 μm). Asexual morph: Synnemata usually arising from posterior abdomen region of host, solitary, cylindrical, unbranched, uneven and rough when aged, brown to dark brown at the base, moderate orange at the apex, 5 – 10 × 0.5 – 2 mm, fertile part located at the terminal ends of the synnemata. Conidiogenous cells Hymenostilbe - like, phialidic, forming a hymenial layer. Phialides cylindrical with short crowded denticles, (12 –) 13 – 17 (– 20) × 3 – 4 μm (n = 30, 15 ± 2.4 × 3 ± 0.2 μm). Conidia hyaline smooth-walled, fusoid, (5 –) 7 – 9 (– 10) × 3 – 4 μm (n = 30, 8 ± 1.2 × 3.3 ± 0.4 μm).	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
25D3C6ED5B395370A5C1FD2B1DBC9288.taxon	description	Culture characteristics. Colonies on OA attaining a diam. of 8 – 10 mm in 30 days, mycelium sparse, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed. Colonies on PDA attaining a diam. of 7 – 10 mm in 30 days, high mycelium density, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
D64084D684C35268BE3409CF97372DE3.taxon	description	Fig. 6	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
D64084D684C35268BE3409CF97372DE3.taxon	etymology	Etymology. Refers to the locality where the type specimen was found, Thi Lo Su Waterfall.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
D64084D684C35268BE3409CF97372DE3.taxon	description	Description. The dead fly hosts were covered with sparse, yellowish-white hyphae. Stromata stipitate, two stromata arising from the thorax region of host, beneath the wings, capitate, unbranched. Stipes cylindrical, smooth, yellowish white (NN 155 A), 4 – 8 mm long, 0.5 – 1.5 mm wide. Sexual morph: Fertile heads disc-shaped, upper surface slightly convex, yellowish white, located at the tip of the stipes, 1 – 2 mm thick, 1 – 2.5 mm diam. Perithecia immersed, ovoid to obclavate, (700 –) 920 – 1065 (– 1075) × (240 –) 300 – 350 (– 400) μm (n = 30, 990.6 ± 72.3 × 325 ± 25.2 μm). Asci cylindrical, (320 –) 411 – 754 (– 880) × 5 – 7 μm (n = 30, 582.8 ± 171.4 × 6 ± 1 μm), with cap 3 – 6 μm thick. Ascospores filiform, multi-septate, breaking into 64 part-spores, cylindrical to fusoid, (6 –) 7.5 – 12 × (1 –) 1.5 – 2 μm (n = 50, 9.8 ± 2.1 × 1.6 ± 0.3 μm). Asexual morph: Synnemata arising from posterior abdomen region of host, solitary or multiple, cylindrical, unbranched, yellowish white, 3 – 10 × 0.5 – 1 mm, fertile part located at the two-thirds length of the synnemata. Conidiogenous cells Hymenostilbe - like, phialidic, forming a hymenial layer. Phialides cylindrical with short crowded denticles, (10 –) 12 – 18 (– 20) × (2 –) 2.5 – 3.5 (– 4) μm (n = 30, 14.7 ± 3 × 3.1 ± 0.5 μm). Conidia hyaline smooth-walled, obovoid, (5 –) 5.5 – 7.5 (– 8) × 2 – 3 μm (n = 30, 6.5 ± 0.9 × 2.5 ± 0.5 μm).	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
D64084D684C35268BE3409CF97372DE3.taxon	description	Culture characteristics. Colonies on OA attaining a diam. of 7 – 10 mm in 30 days, mycelium sparse, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed. Colonies on PDA attaining a diam. of 7 – 10 mm in 30 days, high mycelium density, white, reverse pale yellow (165 D). Conidia and reproductive structures not observed.	en	Mongkolsamrit, Suchada, Thanakitpipattana, Donnaya, Noisripoom, Wasana, Tasanathai, Kanoksri, Liangsiri, Kanraya, Jaiyen, Somruetai, Rungjindamai, Nattawut, Stadler, Marc, Luangsa-ard, Jennifer (2025): Multi-locus molecular phylogenetic analysis reveals four new species and a new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) on dipteran hosts in Thailand. MycoKeys 119: 235-261, DOI: 10.3897/mycokeys.119.155439
