Prochiloneurus nagasakiensis ( Ishii, 1928 )

Japoshvili, George, Higashiura, Yoshimitsu & Kamitani, Satoshi, 2016, A review of Japanese Encyrtidae (Hymenoptera), with descriptions of new species, new records and comments on the types described by Japanese authors, Acta Entomologica Musei Nationalis Pragae 56 (1), pp. 345-401 : 385

Prochiloneurus nagasakiensis ( Ishii, 1928)

Cheiloneurus nagasakiensis Ishii, 1928: 145 .

Achrysopophagus nagasakiensis (Ishii) : TACHIKAWA (1956): 144 (new combination).

Prochiloneurus nagasakiensis (Ishii) : TRJAPITZIN (1968: 116–121).

Type material examined. LECTOTYPE: ♀ (here designated), Nagasaki, 1.viii.1923, T. Ishii lgt. ( NIAES). PARA- LECTOTYPES: 1 ♀, 8.v.1921, T. Ishii lgt.; 2 ♀♀, Nagasaki, 29.iv.1923, T. Ishii lgt.; 1 ♀, 18.vii.1923, T. Ishii lgt.; 1 ♀, 13.ix.1923, T. Ishii lgt.; 2 ♀♀, antennae and wing on slide (other data are missing) ( NIAES). All the type material was reared from Pseudococcus sp. ( Hemiptera : Coccoidea) on Citrus .

Additional material examined. 1 ♀, Matsuyama , ix.1962, T. Tachikawa lgt. & det .; 1 ♀, Tsukumi , Oita, 20.– 25.v.1955, T. Tachikawa lgt. & det .; 1 ♀, Matsuyama , ex Planococcus kraunhiae , 15.x.1959, T. Tachikawa lgt. & det. ( ELKU) .

Distribution. Japan: Kyushu, Shikoku ( TACHIKAWA 1963a). China, Russia, Thailand ( NOYES 2016).

Comments. The illustration of the fore wing provided by ISHII (1928) is incorrect, as he showed the hyaline apical margin of the fore wing to be as long as maximum wing width, whereas in reality it is considerably shorter, about 0.7× as long as maximum width of fore wing. This error was pointed out by TACHIKAWA (1963a) in his drawing, but this was ignored by TRJAPITZIN (1989).

ISHII (1928) also stated that this species is an important parasitoid of mealybugs ( Hemiptera : Pseudococcidae ), but this was questioned by TACHIKAWA (1963a) who pointed out that species of Prochiloneurus are usually exclusively hyperparasitoids of mealybugs via other encyrtids. However, TRJAPITZIN (1989) also recorded other species of Prochiloneurus as primary mealybug parasitoids and this is supported by our own experience, Prochiloneurus bolivari being reared from mealybugs in the laboratory of Suleyman Demirel University, Plant Protection Department, Isparta, Turkey (G. Japoshvili, personal observation).