Metaphycus eriococci ( Timberlake, 1916 )

Suh, Soo-Jung, 2019, Notes on some parasitoids (Hymenoptera: Chalcidoidea) associated with Acanthococcus lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae) in the Republic of Korea, Insecta Mundi 690, pp. 1-5 : 2-4

* Metaphycus eriococci ( Timberlake, 1916) [ Encyrtidae ] ( Fig. 3–4 )

Aphycus eriococci Timberlake, 1916: 631 . Female, USA.

Diagnosis. Female. Body 0.7–0.9 mm long, orange to brown. F1–F4 dark brown, F5–F6 brownish yellow, clava dark brown; F1–F4 subequal in length, each segment about 0.7× as long as wide; scape slightly expanded, 3–4× as long as broad. Maxillary and labial palpi three-segmented. Legs usually pale yellow; mid tibia and hind tibia with faintly brown mark. Fore wing hyaline, linea calva interrupted; venation yellow-brown; hind wing hyaline. Ovipositor slightly projecting, 4–5× as long as gonostylus.

Male. Body 0.7–0.8 mm long, dark brown; very similar to the female except for antenna and genitalia.

Material examined. Korea. GG: 476 Dongtanjiseong-ro , Yeongtong-gu, Suwon-si (37°14′5.8″N / 127°2′53.5″E), 3 females and 5 males, ex. A. lagerstroemiae on L. indica , 6-VI-2014 (S.J. Suh); same locality, 1 female and 6 males, ex. A. lagerstroemiae on L. indica , 26-VI-2014 (S.J. Suh); 126 Suin-ro , Gwonseon-gu, Suwon-si, 1 female, ex. A. lagerstroemiae on L. indica , 18-VI-2014 (S.J. Suh); 10 Taejangro 54beon-gil, Yeongtong-gu, Suwon-si, 1 female, ex. A. lagerstroemiae on L. indica , 9-X-2014 (S.J. Suh ). CN: Techno 4-ro, Ryuseong-gu, Daejeon-si, 11 females and 9 males, ex. A. lagerstroemiae on L. indica , 31-V-2014 (B.J. Lee ). GB: 80 Daehak-ro, Buk-gu, Daegu-si (35°53′26.5″N / 128°37′12.3″E), 26 females and 6 males, ex. A. lagerstroemiae on L. indica , 31-V-2014 (S.J. Suh); same locality, 65 females and 15 males, ex. A. lagerstroemiae on L. indica , 6-VII-2014 (S.J. Suh); same locality, 42 females and 9 males, ex. A. lagerstroemiae on L. indica , 27-VII-2014 (S.J. Suh ). GN: 592-15 Hadan-dong, Saha-gu, Busansi, 2 females and 5 males, ex. A. lagerstroemiae on L. indica , 13-VI-2014 (S.J. Suh); Yongdusan park (35°06′03.28″N / 129°01′59.88″E), 1 male, ex. A. lagerstroemiae on L. indica , 14-VI-2014 (S.J. Suh); Yokjido (34°38′17.8″N / 128°16′31.1″E), 1 female and 3 males, ex. A. lagerstroemiae on L. indica , 16-IX-2014 (S.J. Suh); 1074-2 Mulgeon-ri, Samdong-myeon, Naehae-gun (34°47′53.7″N / 128°2′33.2″E), 2 males, ex. A. lagerstroemiae on L. indica , 16-IX-2014 (S.J. Suh); Minam-ri, Sanyang-eup, Tongyeong-si (34°46′7.7″N / 128°24′0.7″E), 6 females and 8 males, ex. A. lagerstroemiae on L. indica , 17-IX-2014 (S.J. Suh ). JN: 60 Geurin-ro, Geumcheon-myeon, Naju-si, 4 females and 5 males, ex. A. lagerstroemiae on L. indica , 26-V- 2014 (S.J. Suh); Baeksa-ri , Gongsan-myeon, Naju-si, 16 females and 1 male, ex. A. lagerstroemiae on L. indica , 27-V-2014 (S.J. Suh ). JJ: Susan-ri, Awol-eup, Jeju-si, 6 females and 5 males, ex. A. lagerstroemiae on L. indica , 20-V-2014 (S.J. Suh); Topyeong-dong , Seogwipo-si, 1 male, ex. A. lagerstroemiae on L. indica , 20-V-2014 (S.J. Suh); 293-28 Ieodo-ro , Seogwipo-si, 1 male, ex. A. lagerstroemiae on L. indica , 20-V-2014 (S.J. Suh ).

Distribution. China, USA ( Wang et al. 2014; Noyes 2018); Korea *.

Hosts. Coccidae : Coccus hesperidum . Eriococcidae : Acanthococcus lagerstroemiae , A. quercus ( Noyes 2018) .

Remarks. This species is recorded for the first time in Korea.

Figures

Figures 1–6. Three species of parasitoids associated with Acanthococcus lagerstroemiae (Kuwana) in Korea. 1) Parasitoid emergence holes in scale covers of A. lagerstroemiae (crapemyrtle scale). 2) Marietta picta (Andre), female. 3–4) Metaphycus eriococci (Timberlake), female and head. 5–6) Zaomma eriococci (Ferrière), female and mesoscutum.