Graminaseius graminis ( Chant, 1956 )

CălugărK, Adina, StathakisK, Theodoros & Papadoulis, Georgios Th., 2023, Predatory mites of the family Phytoseiidae (Acari: Mesostigmata) in Danube Delta Biosphere Reserve (Romania), Acarologia 63 (1), pp. 58-66 : 61-62

Graminaseius graminis ( Chant, 1956)

Material examined — Murighiol, meadow (13 July 2018) 29♀♀, 14♂♂, 6PN leg. Ivan, ICBI.

Length of setae — j1 24 (23–25), j3 37 (35–40), j4 10 (8–13), j5 10 (8–10), j6 9 (8–10), J2

9 (8–10), J5 9 (8–10), z2 24 (23–25), z4 30 (28–35), z5 7 (5–10), Z1 28 (25–30) Z4 65, Z5 72 (68–75), s452 (50–53), S230 (28–34), S410, S510, r3 28 (25–33), R 1 22 (18–25).

World distribution — Algeria, Australia, Denmark, England, France, Armenia, Azerbaijan, Moldova, Ukraine, Germany, Greece, Hungary, Israel, Italy Morocco, Norway, The Netherlands, Poland, Portugal, Russia, Canary Islands, South Africa Spain, Turkey, USA, Chile ( Demite et al. 2022) and Romania (this study).

Hosts / Substrates — It has been rarely found in crops and is mostly reported on herbaceous plants ( Lamiaceae ), Ficus carica L. ( Moraceae ), Poaceae , in humus and moss. It has been collected on a great variety of plants including plum, pear, apple, citrus ( Ferragut et al. 1985 ; Minarro et al. 2002 ; Kreiter et al. 2010 ; Sahraoui et al. 2012). Also, it was reported on V. vinifera in France and Chile ( Demite et al. 2022 ; Tixier et al. 2013).

Remarks — Graminaseius graminis is a cosmopolitan species, being reported from more than 20 countries. Its discovery on many plants supports it is a common species. Morphological characters of the examined specimens generally fit with those described by Döker (2019).