Bee Mites :
Acari :
Acariformes :
Sarcoptiformes :
Chaetodactylidae : Chaetodactylus
Chaetodactylus micheneri Klimov and OConnor, 2008
Chaetodactylus micheneri Klimov and OConnor, 2008: 127, Figs 10F, 19-30.
Material (show database records). Holotype (form 1): HDN - USA: California, Fresno Co., Mt. Crocker, elev. 11800 ft., ex Osmia subaustralis (propodeum), 1 Jul 1974, T. Griswold, USNM, BMOC 96-0510-127.
Form 1 (All specimens from O. subaustralis, paratypes). California: 9+13 HDN - same data as holotype (propodeum+occiput); 5+5 HDN - Alpine Co., Dead Men Creek, Middle Fork Stanislaus River, 8000 ft., (occiput+between coxae I), 26 Jun 1937, C.D. Michener, KU, BMOC 03-0514-004; 11 HDN - same data (occiput), 26 Jun 1937, C.D. Michener, KU, BMOC 03-0514-007; 2 HDN - El Dorado Co., Tahoe, Mount Tallac, (propodeum), 27 Jul 1915, E.P. VanDuzee, KU, BMOC 03-0514-009; 3+1 HDN - Mariposa Co., Yosemite Valley, (1st metasomal tergite+propodeum), 10 Jul 1933, R.H. Beamer, KU, BMOC 03-0514-002; 12 HDN - Mono Co., Sardine Creek, Elev. 8500 ft., (1st metasomal tergite), 28 Jun 1951, J.W. MacSwain, KU, BMOC 03-0514-020; 12+3+1 HDN - Mono Co., Sonora Pass, on Astragalus (Fabales: Fabaceae) (occiput+propodeum+1st metasomal tergite), 27 Jun 1937, G.E. Bohart, KU, BMOC 03-0514-003; 4+1 HDN - Mono Co., West Walker River, 7200 ft., on Senecio (Asterales: Asteraceae) (1st metasomal tergite+propodeum), 25 Jun 1937, C.D. Michener, KU, BMOC 03-0514-012; 1+1 HDN - San Diego Co., 4 mi S Mesa Grande (1st metasomal tergite+between coxae I), 9 Jul 1938, U. Lanham, USNM, BMOC 03-0501-003; 9 HDN - Sonoma Co., Cheney Gulch, (propodeum), 22 May 1958, no collector, USNM, BMOC 03-0501-001; 3+2 HDN - Tuolumne Co., Pinecrest, (1st metasomal tergite+propodeum), 27 Jun 1942, R.E. Beer, KU, BMOC 03-0514-001; 1 HDN - Arizona, Apache Co., near Alpine, (propodeum), 25 May 1947, H. & M. Townes, KU, BMOC 03-0514-008; Colorado: 11 HDN - Boulder Co., Longs Peak, elev. about 9000 ft., F 4774A, (1st metasomal tergite), 14-19 June 1922, no collector, AMNH, BMOC 03-0414-013; 2 HDN - Boulder Co., Nederland, on Senecio perplexus A. Nelson (Asterales: Asteraceae) (propodeum), 21 Jun 1950, C.D. Michener, KU, BMOC 03-0514-014; 4+8 HDN - same data (propodeum+1st metasomal tergite), 21 Jun 1950, C.D. Michener, KU, BMOC 03-0514-016; 1+1 HDN - Boulder Co., Nederland, (pronotum+1st metasomal tergite), 21 Jun 1950, C.D. Michener, KU, BMOC 03-0514-011; 24 HDN - Glacier Lake, (propodeum), 2 Jun 1913, M. [illegible] Ellis, AMNH, BMOC 03-0414-007; 5 HDN - Jackson Co., Camp Creek Research Station [41°00'N 106°12'W], F. 4730, (1st metasomal tergite), 19 Jun 1920, no collector, AMNH, BMOC 03-0414-008; 3 HDN - Jefferson Co., Golden, Green Mountain, (1st metasomal tergite), 24 May 1919, L.O. Jackson, AMNH, BMOC 03-0414-004; 2 HDN - Elbert Co., Elbert, elev. about 7400 ft., 4773, (ventral mesosoma), 9-11 June 1922, no collector, AMNH, BMOC 03-0414-012; 5+4 HDN - El Paso Co., (1st metasomal tergite+propodeum), 6-18 June 1937, W. Benedict, KU, BMOC 03-0514-017; 1 HDN - La Plata Co., Electra Lake, F.4367.14[or 11 or II], (lateral side of 1st metasomal tergite), 28 June-1 July 1919, no collector, AMNH, BMOC 03-0414-018; 12 HDN - Rio Grande Co., South Fork Rio Grande (37°33'N 106°47'W), elev. 9200 ft., F4357, (1st metasomal tergite), 18-19 June 1919, no collector, AMNH, BMOC 03-0414-011; 4 HDN - same locality, elev. 9250 ft., F4358, (1st metasomal tergite), 18-19 June 1919, no collector, AMNH, BMOC 03-0414-021; 2+4 HDN - same locality (37°36'N 106°43'W), elev. 8500 ft., F4357, (pronotum+1st metasomal tergite), 17 Jun 1919, no collector, AMNH, BMOC 03-0414-014; 2 HDN - San Miguel Co., Telluride, Cornet Creek, elev. about 11000 ft., 37°55'N 107°45'W F4375 II, (propodeum), 9 Jul 1919, no collector, AMNH, BMOC 03-0414-015; 9 HDN - Teller Co., Florissant, on Senecio tridenticulatus Rydb. (Asterales: Asteraceae) (1st metasomal tergite), 14 Jun 1907, S.A. Rohuer, USNM, BMOC 03-0501-006; 1+4 HDN - Ouray Co., Ouray, (propodeum+1st metasomal tergite), 1 Jul 1937, R.H. Beamer, KU, BMOC 03-0514-018; Montana: 12 HDN - Gallatin Co., Gallatin Range, elev. 5000 ft., (1st metasomal tergite), 7 Jul 1914, no collector, USNM, BMOC 03-0501-002; 5+3 HDN - Ravalli Co., Hamilton, Skalkaho Pass, on Erigeron salsuginosus (Richards) Gray (Asterales: Asteraceae) (1st metasomal tergite+pronotum), 19 Jul 1949, R.H. Beamer, KU, BMOC 03-0514-019; Utah: 2 HDN - Duchesne Co., along road Kamas Summit Co. to Mirror Lake, acc 35707, (propodeum), 17 Jul 1936, no collector, AMNH, BMOC 03-0414-020; 15 HDN - Cache Co., Tony Grove Lake, (propodeum), 14 Jul 1983, G.E. Bohart, USNM, BMOC 96-0510-128; Washington: 1 HDN - Yakima Co., Mount Adams, Signal Peak., 4500 ft., (pronotum), 10 Jul 1927, M.W. Stone, USNM, BMOC 03-0501-007; 2+4 HDN - same locality, West Klickitat, 3500 ft., (1st metasomal tergite+propodeum), 10 Jun 1925, L.A. Morley, USNM, BMOC 03-0501-009; Wyoming: 12 HDN - Crook Co., 5 mi N Sundance, Reuter Canyon Campground, 6100 ft., (1st metasomal tergite), 10 Jul 1959, F.P. & B. Rindge, AMNH, BMOC 03-0414-003; 21 HDN - Park Co., Yellowstone National Park, Camp Roosevelt, (metanotum & propodeum), no date, no collector, KU #Bc 24515, BMOC 03-0514-010; 5+2 HDN - Sheridan Co., Big Horn, (1st metasomal tergite+propodeum), 4 Jul 1953, P.B. Lawson, KU, BMOC 03-0514-015; 17+27 HDN - CANADA: Alberta, Banff, (pronotum+propodeum), May 21 1915, F.W.L. Sladen, KU 1019, BMOC 03-0514-005.
Form 2. California: 6 HDN - El Dorado Co., Fallen Leaf Lake, ex O. montana (1st metasomal & propodeum), 23 Jun 1955, P.Torchio, USNM, BMOC 96-0510-123; 1 HDN - ex O. subaustralis (propodeum), BMOC 03-0514-009; 19 HDN - Inyo Co., Westgard Pass, ex Osmia grinnelli (1st metasomal tergite & propodeum), 18 July 1942, R. Bohart, USDA, BMOC 03-1003-244; 2 HDN - Mono Co., Sonora Pass, ex O. calcarata (dorsal body), 29 Jun 1937, G.E. Bohart, USNM, BMOC 96-0510-147; 10 HDN - Mono Co., Sardine Creek, elev. 8500 ft., ex O. montana (pronotum), 28 Jun 1951, J.L. Mallars, USNM, BMOC 96-0510-125; 1+1 HDN - ex O. subaustralis (propodeum+1st metasomal tergite), BMOC 03-0514-003; 1 HDN - ex O. subaustralis, BMOC 03-0514-012; 1 HDN - ex O. subaustralis (1st metasomal tergite), BMOC 03-0514-020; 3 HDN - Nevada Co., Truckee, ex O. marginipennis (propodeum), 17 Jun 1927, E.P. VanDuzee, USNM, BMOC 96-0510-115; 1 HDN - ex O. subaustralis (propodeum), BMOC 03-0501-001; 2 HDN - ex O. subaustralis (1st metasomal tergite), BMOC 03-0514-001; 1 HDN - ex O. subaustralis (1st metasomal tergite), BMOC 03-0514-002; 1 HDN - ex O. subaustralis (pronotum), BMOC 03-0501-003; Colorado: 1 HDN - Boulder Co., Cairn Ponds, Roosevelt National Forest, Indian Peaks Wilderness, Niwot Ridge, elev. 3476 m., malaise trap, 23 Jul 1993, J. Cooley, BMOC 94-0125-003; 9 HDN - Boulder Co., Weather station C1, Roosevelt National Forest, Indian Peaks Wilderness, 1.25 km NW of University of Colorado Mountain Research Station, elev. 3030m., malaise trap, 21 Jun 1993, J. Cooley, BMOC 94-0125-002; 1+1 HDN - ex O. subaustralis (propodeum+pronotum), BMOC 03-0514-011; 4 HDN - Jackson Co., Rabbit Ears Pass, ex Hoplitis fulgida fulgida (mesosoma), 13 Jul 1949, R.H. Beamer, KU, BMOC 96-0916-331; Idaho: 12 HDN - Oneida Co., Black Pine Mt., ex O. marginipennis (1st metasomal tergite), 11 May 1974, Bohart&Knowlton, USNM, BMOC 96-0510-119; 11 HDN - Oneida Co., Black Pine Canyon, ex O. californica (pronotum), 9 Jun 1982, Torchio/Bohart, USNM, BMOC 96-0510-112; 12 HDN - Franklin Co., Cub River Canyon, ex O. montana (propodeum), 8 May 1969, G.F. Knowlton, USNM, BMOC 96-0510-121; 5 HDN - Boise Co., Wilson Creek, ex O. juxta (scattered over body), 6 Mar 1975, C.W. Baker, USNM, BMOC 96-0510-129; 1+3 HDN - Nevada, Elko Co., Bear Creek Meadows, R575E-T45N, ex O. californica on Hackelia (Lamiales: Boraginaceae) (1st metasomal tergite+propodeum), 8 Jul 1979, R.W. Rust, USNM, BMOC 96-0510-114; Utah: 4 HDN - Cache Co., Birch Canyon, ex O. californica (pronotum), 23 May 1982, TL/RT Griswold, USNM, BMOC 96-0510-110; 13 HDN - same locality, ex O. marginipennis (propodeum), 23 May 1982, R.T. Griswold, USNM, BMOC 96-0510-116; 15 HDN - Cache Co., near Hyrum, Blacksmith Fork Canyon, ex O. marginipennis on Salix (Salicales: Salicaceae) (propodeum), 22 May 1948, G.E. Bohart, USNM, BMOC 96-0510-117; 16 HDN - Cache Co., Newton, ex O. marginipennis (propodeum), 25 Jun 1962, R. Brumley, USNM, BMOC 96-0510-118; 10 HDN - Rich Co., Bear Lake, S. Garden City, ex O. californica (pronotum), 19 May 1973, F.D. Parker, USNM, BMOC 96-0510-111; 12 HDN - Salt Lake Co., Emigration Canyon Mouth, ex O. californica (propodeum), 9 May 1938, Don M. Rees, USNM 23526, BMOC 96-0510-113; Washington: 4+5+2 HDN - ex O. subaustralis (1st metasomal tergite+pronotum+propodeum), BMOC 03-0501-007.
Form 3 (all from O. subaustralis). CANADA: Northwest Territories: 14 HDN - Great Slave Lake, Fort Resolution, on Taraxacum (Asterales: Asteraceae) (anterior scutum), 26 June 1903, Mer. Cary, USNM, BMOC 03-0501-005; 9 HDN - same data, USNM, BMOC 03-0501-004; USA: Michigan: 55 females, 41 males, 4 TNs, 1 immobile HDN, 82 PNs, 2 pharate PN, 23 L, 1 PL - Dickinson Co., nest (#CH-N-EW-S-3-9 cell 1, sample 2), 8 Sep 1984, M. Arduser, UMMZ, BMOC 03-0310-001; 2 PNs - Dickinson Co., nest, male cell, 22 May 1984, no collector, UMMZ BMOC 03-0310-002; 2 males, 5 females, 14 phoretic HDNs, 5 pharate HDNs, 1 immobile HDN, 3 pharate immobile HDNs (in PN skin), 26 PNs, 2 L - Dickinson Co., T43N R28W S14, nest (#FI-E-EW-S-4-4), on and among fecal pellets, 8 Sep 1984, M. Arduser, UMMZ, BMOC 03-0310-003; 18 HDN, 1 pharate HDN - same data, nest (#FORD-E-EW-S-4-9), cell 2, 27 Sep 1983, M. Arduser, UMMZ, BMOC 03-0310-004; 18 HDNs - Dickinson Co., same data, cell 5, UMMZ, BMOC 03-0310-005; 13+3 HDNs+pharate HDN - same data, nest (#FI-E-EW-S-4-4), cell 6, 8 Sep 1984, M. Arduser, UMMZ, BMOC 03-0310-006; 2 HDN - Cheboygan Co., University of Michigan Biological Station, (lateral mesosoma), 21 Jun 1986, J.T. Rotenberry, UMMZ, BMOC 87-0203-006.
Unclassified (all from USA). 10HDN's - California, Placer Co., Lake Tahoe, ex Osmia montana quadriceps (on dorsal mesosoma), 10 Jul 1952, M. Cazier, W. Gertach & R. Schrammel, AMNH, BMOC 04-0508-018; 4HDN's - Colorado, Boulder Co., Ward, alt. about 9300 ft, ex Osmia montana montana, on mesosoma, 25 Jun 1922, 4779A AMNH BMOC 04-0508-016;4 HDNs - Idaho, Blaine Co., Carey, ex O. californica propodeum & pronotum, no date, A. C. Cole, OSU, OSUC 0066049, BMOC 03-1106-001; 6 HDNs - Oregon, Harney Co., "Blitzen River", ex O. marginipennis on propodeum, 1 Jun 1933, AMNH 33084, BMOC 04-0508-013; 2 HDNs - Wyoming, Sundance, ex O. montana montana propodeum+1st metasomal tergite, 10 Jul 1959, F. P. & B. Rindge, 9037 AMNH, BMOC 04-0508-014.
Holotype in USNM, paratypes in AMNH, CNC, KU, OSAL, UMMZ, UNAM, USNM.
Description. See key. Click here for identification of 3 partially overlapping morphs (based on phoretic deutonymphs only). Known from all stages. Female (unique characters only): Setae c3 not extending beyond posterior level of trochanters IV. Inseminatory canal trumpet-shaped, more than 5 times longer than its width at spermatheca (Fig.). Sclerotized lining layer of outer end of inseminatory canal shorter than 0.4 length of inseminatory canal (Fig.). Setae gT I-II smooth, filiform; hT I smooth, hT II sparsely barbed to almost smooth. Homeomorphic male (unique characters only): Setae d1 not extending beyond e1. Aedeagus folds posterior to dorsal supporting sclerite (Fig.). Transverse processes of dorsal supporting sclerite spirally twisted, band-like (Fig.). Genital valves with posterior cuticular flaps (Fig.).
Hosts.
Form 1: Osmia (Cephalosmia) subaustralis (type host) (Megachilidae)
Form 2: Hoplitis fulgida; O. (Cephalosmia) californica; O. (C.) grinnelli; O. (C.) marginipennis; O. (C.) montana; O. (C. ) subaustralis; Osmia (Acanthosmioides) calcarata; Osmia (Melanosmia) juxta.
Form 3: O. subaustralis.
Unclassified: Osmia montana quadriceps
Distribution (show map).
Form 1: USA: California (type locality), Arizona, Colorado, Montana, Utah, Washington, Wyoming; Canada: Alberta.
Form 2: USA: California, Colorado, Idaho, Nevada, Utah, Washington.
Form 3: USA: Michigan; Canada: Northwest Territories.
Unclassified: USA: Oregon.
Etymology. After Charles D. Michener (KU), the world's leading authority on bee systematics.
References
Klimov, P. B. & B. M. OConnor. 2008. Morphology, Evolution, and Host Associations of Bee-Associated Mites of the Family Chaetodactylidae (Acari: Astigmata), with a monographic revision of North American taxa. Miscellaneous Publications Museum of Zoology University of Michigan.199: 243.
Image Gallery
B. OConnor and P. Klimov ©
Created: Mar 25, 2009
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