Valid Names Results

Trionymus placatus (Borchsenius, 1949) (Pseudococcidae: Trionymus)

Pseudococcus placatus Borchsenius 1949: 158. Type data: UKRAINE: Khmel'nitskiy Province, Gorodok, on unidentified plant.. Lectotype, female, by subsequent designation (Danzig1997a,101). Type depository: St. Petersburg: Zoological Museum, Academy of Science, Russia; accepted valid name
Trionymus placatus (Borchsenius, 1949); Tereznikova 1975: 270. change of combination
Dysmicoccus balticus Koteja & Lagowska 1986: 381. Type data: POLAND: Micoszewo, on Deschampsia flexuosa. Holotype, female, Type depository: Krakow: Institute of Systematic and Experimental Zoology, Polish Academy of Sciences, Poland; junior synonym (discovered by Danzig1998a, 160). Illustr.

Families: 1 | Genera: 5

Ammophila arenaria | WilliaMa2012
Calamagrostis epigeios | BenDov1994 Danzig1959 Danzig1997a | (= Calamagrostis lanceolata)
Deschampsia cespitosa | Danzig1997a
Deschampsia flexuosa | BenDov1994 KotejaLa1986 Tang1992
Lolium perenne | BenDov1994 Danzig1997a KozarOs1987
Poa nemoralis | BenDov1994 Danzig1959 Danzig1997a | (= Agrostis alba)
Poa trivialis | Danzig1997a

Countries: 7

DanzigGa2015: pp.99-106 ( Adult (F) ) [Palaearctic Trionymus species]
Danzig1997a: pp.96 ( Adult (F) ) [Palaearctic region]
Tang1992: pp.151, 192 ( Adult (F) ) [Palaearctic region]
KosztaKo1988F: pp.158 ( Adult (F) ) [Central Europe]
KotejaLa1986: pp.382 ( Adult (F) ) [Palearctic region] Key as: Dysmicoccus balticus
Terezn1975: pp.263 ( Adult (F) ) [Ukraine]
Borchs1949: pp.96 ( Adult (F) ) [Palaearctic region] Key as: Pseudococcus placatus

Structure: Female body elongate, with almost parallel sides, up to 4 mm long, pink in life. Antennae 8-segmented. Legs well-developed; hind coxae without transfucent pores. Anal apparatus comlete. Both pairs of ostioles well develiped. Circulus large, oval. Multilocular pores on dorsum entirely absent or occasionally preent on posterior abdominal teregites; on venter, they form transverse rows and bands on abdominal sternites. (Danzig & Gavrilov-Zimin, 2015)
Biology: Occurring on the foliage of grasses.
General Remarks: Good description and illustration of the adult female given by Koteja & Lagowska (1986) (as Dysmicoccus balticus and by Danzig (1997a). Good description of the adult female given by Borchsenius (1949), Tereznikova (1975), Kosztarab & Kozár (1988F) and by Tang (1992).

BenDov1994: catalog, 121, 525-526
Borchs1949: description, distribution, host, taxonomy, 158-160
BugajNJuKa2021: catalog, taxonomy, 290
BugajNJuKa2021: distribution, host, list, 313
Danzig1959: distribution, host, 444
Danzig1997a: description, distribution, host, illustration, taxonomy, 101-103
DanzigGa2015: description, distribution, host, illustration, key, taxonomy, 177-179
GolanLaJa2001: distribution, host, taxonomy, 229-249
KosztaKo1988F: description, distribution, host, taxonomy, 166-167
KotejaLa1986: description, distribution, host, illustration, taxonomy, 381-388
KozarOs1987: distribution, host, 91-95
LagowsGo2020: distribution, 71
LagowsKo1996: distribution, host, 31, 33
SchmutHo2016: distribution, host, 32
Tang1992: description, distribution, host, illustration, taxonomy, 180, 194-195
Terezn1975: description, distribution, host, taxonomy, 270-272
WilliaMa2012: distribution, 83