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Revision of mealybugs of the Heterococcus Ferris, 1918 genera group (Homoptera, Coccinea: Pseudococcidae) of the fauna of Russia and neighboring countries
The mealybug genera
Heterococcus
Ferris, 1918 and
Brevennia
Goux, 1940 are revised based on the fauna of Russia and adjacent countries. Keys, descriptions, and figures are provided for 7 species recorded from the territory. Eight additional species known from the Palaearctic Region are also included in the keys. Lectotypes are designated for two nominal species. The following new synonymies were established:
Heterococcus
Ferris, 1918 =
Stachycoccus
Borchsenius, 1962,
syn. n.
;
Brevennia
Goux =
Heterococcopsis
Borchsenius,
syn. n
. =
Pseudorhodnia
Borchsenius,
syn. n.
;
Brevennia pulveraria
Newstead =
B. tetrapora
Goux,
syn. n.
;
B. rehi
Lindeman =
B. marginata
Borchsenius,
syn. n.
, =
B. oryzae
Tang,
syn. n
.
Heterococcus nudus
(Green) =
H. agropyri
Sǎvescu,
syn. n
.