In this paper I gave some notes on three chalcidoid parasites reared from various species of diaspidine scales in Japan.
1. Records of their hosts are summarized as follows:
1)
Arrhenophagus chionaspidis AURIVILLIUS (Encyrtidae: Arrhenophaginae)
Aulacaspis yabunikkei KUWANA (new host record)………Cape of Ashizuri, Shikoku.
Phenacaspis cockerelli COOLEY (=
P. aucubae COOLEY=
P. dilatita GREEN=
P. eugeniae MASKELL)………Cape of Ashizuri, Shikoku.
Pinnaspis aspidistrae SIGNORET………Shizuoka Pref., Honshu (After Shizuoka Agr. Exp. Sta; ISHII). Host unknown………Atami, Honshu. (After HOWARD).
2)
Aspidiotiphagus citrinus CRAW (Aphelinidae)
Aonidiella aurantii MASKELL………Kagoshima Prefecture, Kyushu (After SAKAI).
Aspidiotus destructor SIGNORET………Matsuyama, Shikoku.
A. cryptomeriae KUWANA (new host record)………Sakurasanri, Ehime Prefecture, Shikoku.
Pinnaspis aspidistrae SIGNORET (=
P. ophiopogonis TAKAHASHI)………Oita, Kyushu; Matsuyama, Shikoku. Host unknown………Yokohama, Honshu (After HOWARD).
3)
Azotus capensis HOWARD (Aphelinidae)
Aulacaspis difficilus COCKERELL (new host record)………Matsuyama, Shikoku.
Pseudaonidia duplex COCKERELL (new host record)………Matsuyama, Shikoku.
Pseudaulacaspis pentagona TARGIONI………Tokyo, Honshu (After KUWANA; NAKAYAMA).
2. The male of
Arrhenophagus chionaspidis AURIVILLIUS was described from a unique specimen from Macao, South China, by Howard in 1898. It is remarkable that I had the good chance to rear the second male of the same species from
Phenacaspis cockerelli COOLEY which was collected at the Cape of Ashizuri, Shikoku. After careful examinatian of this specimen which was mountedin balsam, I could find the noteworthy fact that the male antenna consists of 9-joints, and contrary to the original description of Howard (1898) the funicle is apparently 6-jointed and the club is solid (fig. 2: B), as is the case of many Encyrtid males. Therefore, I can assume that the male specimen examined by Howard (loc. cit.) might have been a malformed individual.
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