Teresothrombium geniculatum Feider, 1955: 172

Sevsay, Sevgi, Adil, Sezai, Karakurt, İbrahim, Buğa, Evren & Akman, Ebru, 2016, Five new records of the genus Trombidium (Actinotrichida: Trombidiidae) from northeastern Turkey, Turkish Journal of Zoology 40 (2), pp. 151-156 : 152-155

Teresothrombium geniculatum Feider, 1955: 172

Diagnosis. Adults: Color in life light red. Termination of anterior part of crista metopica indistinct and not reaching aspidosomal border. Dorsal opisthosomal setae with different length. The stem of pDS I parallel-sided with rounded top; pDS II covered with tubercles asymmetrically dispersed and more distinct tubercles than in pDS I ( Mąkol, 2005) (Figure 2).

Larvae: Hypostomalae (setae bs) in the shape of truncate calyx, with ca. 11 or 12 finger-like extensions. Scutum and scutellum porous on the whole surface. Setae AL with many barbs aggregated mostly in the distal half of seta. PL with barbs along the whole shaft. Setae SL situated half length of the sclerite, covered with barbs. ƒD formula: 2(2)2-6-4-4-2. ƒV formula: 4u-2-2. ƒCx: NBN-BB-B. Legs. I: Tr (1n) - Fe (5n) - Ge (4n, 2σ, 1Κ) - Ti (5n, 2φ, 1Κ) - Ta (17n, 2ζ, lω, l ε); II: Tr (1n) - Fe (4n) - Ge (3n, lσ, 1Κ) - Ti (5n, 2φ) - Ta (13n, 1ω, 1ε); III: Tr (1n) - Fe (4n) - Ge (3n, lσ) - Ti (5n) - Ta (12n).

Specimens examined: Trabzon, Zigana Mountain , 40°40′16″N, 39°26′17″E, alt. 2025 m, 15 May 2010, 10 adults (4 of which were male) and 3 deutonymphs were collected on mossy soil and 196 larvae were obtained by experimental rearing (Leg. S. Sevsay) . Bayburt, Kitre village , 40°16′14″N, 39°52′31″E, alt. 1694 m, 05 April 2014, 1 adult, litter from under Salix sp . Bayburt, Kop gateway, 40°02′12″N, 40°28′50″E, alt. 2160 m, 01 May 2014, 1 adult, mossy soil, near the stream (Leg. İ. Karakurt) . Bayburt, Kop gateway, 40°03′20″N, 40°27′56″E, alt. 1990 m, 21 May 2014, 2 adults, mossy soil, near the stream, and 20 larvae obtained by experimental rearing (Leg. İ. Karakurt) . Erzincan, Ahmediye pond, 39°52′54″N, 39°20′19″E, alt. 2012 m, 08 May 2014, 3 adults, mossy soil, near the stream (Leg. E. Buğa) .

Distribution. Norway, Poland, Romania, Spain ( Mąkol and Wohltmann, 2012). New record for the Turkish fauna.

Trombidium holosericeum (Linnaeus, 1758)

Acarus holosericeus Linnaeus, 1758

Diagnosis. Adults: Color in life light red. Crista metopica prominently sclerotized and anterior part not reaching aspidosomal border. Posterior part of crista metopica relatively long. Dorsal opisthosomal setae of two types: both pDS I and pDS II with several tubercles covering rounded top, but pDS II covered with more protruding tubercles than pDS I (Figure 3).

Larvae: Setae bs in the shape of stout calyx with distally 13 or 14 finger-like extensions. Scutum and scutellum porous on the whole surface. AM setae with tiny barbs and S setae with few setules. Whole stem of AL and PL setae covered markedly with barbs. ƒD formula: 2(2)2-6-4-4-2. ƒV formula: 4u-2-2. ƒCx: NBN-BB-B. Legs. I: Tr (1n) - Fe (5n) - Ge (4n, 2σ, 1Κ) - Ti (5n, 2φ, 1Κ) - Ta (17n, 2ζ, lω, lε); II: Tr (1n) - Fe (4n) - Ge (3n, lσ, 1Κ) - Ti (5n, 2φ) - Ta (14n, 1ω, 1ε); III: Tr (1n) - Fe (4n) - Ge (3n, lσ) - Ti (5n) - Ta (11n).

Specimens examined: Erzincan, Otlukbeli Lake , 40°01′15″N, 39°58′36″E, alt. 1921 m, 03 May 2009, 13 adults (3 of which were males) and 5 deutonymphs, moist soil at litter under Juniperus sp. (Leg. S. Sevsay) . Trabzon, Zigana Mountain , 40°40′10″N, 39°26′14″E, alt. 2030 m, 15 May 2010, 3 adults, litter from under Juniperus sp. and mossy soil (Leg. S. Sevsay) . Erzincan, Ahmediye pond, 39°52′48″N, 39°20′25″E, alt. 1980 m, 03 June 2011, 15 adults (8 of which were males) and 10 deutonymphs collected on mossy soil, near the pond, and 128 larvae obtained by experimental rearing (Leg. S. Sevsay, S. Adil) . Erzincan, Otlukbeli Lake , 40°00′59″N, 39°58′48″E, alt. 1900 m, 14 June 2012, 40 adults (12 of which were males) and 8 deutonymphs, mossy soil close to the lake (Leg. S. Sevsay, S. Adil) . Bayburt, Kop gateway, 40°02′12″N, 40°28′50″E, alt. 2160 m, 01 May 2014, 5 adults (1 of which was male), mossy soil, near the stream, and 26 larvae obtained by experimental rearing (Leg. İ. Karakurt) . Erzincan, Ahmediye pond, 39°52′54″N, 39°20′19″E, alt. 2012 m, 08 May 2014, 13 adults (3 of which were males) and 8 deutonymphs collected on algae, near the stream, and 130 larvae obtained by experimental rearing (Leg. E. Buğa) . Erzincan, Ahmediye pond, 39°52′54″N, 39°20′19″E, alt. 2012 m, 23 May 2014, 7 adults (2 of which were male), mossy soil, near the stream, and 280 larvae obtained by experimental rearing (Leg. E. Buğa) .

Distribution. Algeria, Austria, Bulgaria, Czech Republic, Estonia, Finland, France, Germany, Great Britain, Greece, Hungary, Italy, Latvia, Lithuania, Moldova, Norway, Poland, Romania, Russia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tanzania, the Netherlands, Ukraine ( Mąkol and Wohltmann 2012). New record for the Turkish fauna.

Trombidium latum C.L. Koch, 1837

Trombidium latum C. L. Koch, 1837: 15

Diagnosis. Adults: Live specimens with numerous small white spots on dorsal surface of idiosoma. Crista metopica prominently sclerotized and its anterior process narrow, with unclearly marked termination. Dorsal opisthosomal setae with different lengths, bases of setal stems of pDS I surrounded with very distinct and long setules. pDS II parallel-sided, with truncate top, also covered with tubercles (Figure 4).

Larvae: Setae bs in the shape of slender calyx, distally producing ca. 10 or 11 finger-like extensions. Scutum and scutellum porous on the whole surface. The whole stem of AL and PL setae covered markedly with barbs. Setae SL situated half length of the sclerite, covered with barbs. ƒD formula: 2(2)2-6-4-4-2. ƒV formula: 4u-2-2. ƒCx: NBN-BB-B. Legs. I: Tr (1n) - Fe (5n) - Ge (4n, 2σ, 1Κ) - Ti (5n, 2φ, 1Κ) - Ta (17n, 2ζ, lω, lε); II: Tr (1n) - Fe (4n) - Ge (3n, lσ, 1Κ) - Ti (5n, 2φ) - Ta (14n, 1ω, 1ε); III: Tr (1n) - Fe (4n) - Ge (3n, lσ) - Ti (5n) - Ta (11n).

Specimens examined: Erzincan, Ergan Mountain, Caferli plateau, 39°38′49″N, 39°28′19″E, alt. 2127 m, 09 June 2011, 8 adults and 2 deutonymphs, litter from under Juniperus sp. (Leg. S. Adil) . Erzincan, Ergan Mountain, Caferli plateau, 39°37′12″N, 39°28′24″E, alt. 2144 m, 15 June 2011, 46 adults (1 of which was male) and 10 deutonymphs, grassy-mossy soil . Erzincan, Ergan Mountain, Kasefe plateau, 39°37′55″N, 39°33′22″E, alt. 2052 m, 16 June 2011, 4 adults (1 of which was male) and 4 deutonymphs, mossy soil . Erzincan, Ergan Mountain, Dacirek stream, 39°36′11″N, 39°28′42″E, alt. 2068 m, 17 June 2011, 9 adults (1 of which was male) and 1 deutonymph collected on mossy soil close to stream and 168 larvae obtained by experimental rearing (Leg. S. Adil) . Bayburt, Kop gateway, 40°02′12″N, 40°28′50″E, alt. 2160 m, 01 May 2014, 1 adult, mossy soil . Bayburt, Kop gateway, 40°02′12″N, 40°28′50″E, alt. 2160 m, 01 May 2014, 2 adults and 1 deutonymph, meadow samples . Bayburt, Kop gateway, 40°02′10″N, 40°28′29″E, alt. 2080 m, 18 May 2014, 3 adults, mossy soil near the stream, and 36 larvae obtained by experimental rearing (Leg. İ. Karakurt) .

Distribution. Finland, France, Germany, Italy, Norway, Romania, Sweden, the Netherlands ( Mąkol and Wohltmann, 2012). New record for the Turkish fauna.

Trombidium mediterraneum (Berlese, 1910)

Sericothrombium mediterraneum Berlese, 1910: 365

Diagnosis. Adults: Colors in life ranging from light red to dark red. Form of crista metopica strongly sclerotized. Anterior process unclearly terminated and rounded posterior process gradually expanding towards termination. pDS I covered with equal tubercles and with an air cavity at terminal part. pDS II irregular in shape at the top, with a few lobes and shorter than pDS I (Figure 5).

Specimens examined: Bayburt, 15th km on Erzurum road, 40°11′50″N, 40°18′35″E, alt. 1596 m, 18 April 2014, 3 adults, litter from under Populus sp . Bayburt, Kop gateway, 40°02′16″N, 40°30′48″E, alt. 2417 m, 18 May 2014, 2 deutonymphs, grassy soil, close to the stream (Leg. İ. Karakurt) . Erzincan, Ergan Mountain , picnic area, 39°43′40″N, 39°29′23″E, alt. 1175 m, 29 October 2011, 3 adults, grassy-mossy soil (Leg. S. Adil) .

Distribution. Algeria, Austria, Czech Republic, France, Great Britain, Greece, Hungary, Italy, Norway, Poland, Romania, Spain, Switzerland ( Mąkol and Wohltmann, 2012). New record for the Turkish fauna.