Adelencyrtus, Ashmead, 1900

Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 33

Key to Costa Rican species of Adelencyrtus

(Females)

1. Fore wing completely hyaline ( Figs 21, 24) ................................................................... 2

- Fore wing infuscate with distinct hyaline areas ( Figs 29, 38) ......................................... 3

2 (1) Clava ( Figs 15, 16) longer than funicle, all funicle segments transverse .......................... ............................................................................... chionaspidis (Howard) (p. 33)

- Clava ( Fig. 22) much shorter than funicle; funicle segments quadrate or longer than broad .................................................................................. plocus sp.nov. (p. 36)

3 (1) Funicle ( Fig. 30) with F1-F4 subequal; mid femur and tibia completely pale yellow (Hab. 5) ............................................................................. odonaspidis Fullaway (p. 38)

- Funicle ( Figs 34, 35) with F1-F2 subequal and clearly smaller than F3-F4; mid femur and tibia (Hab. 6) at least partially infuscate. ....................... bifasciatus (Ishii) (p. 40)