Callirhytis rufescens ( Mayr, 1882 )

Şchiopu, Ion, 2025, Gall wasps-inducers and inquilines (Hymenoptera: Cynipidae and Diplolepididae) from Dobrogea Province (South-Eastern of Romania), including new species records for this area, Zootaxa 5665 (1), pp. 1-36 : 16

Callirhytis rufescens ( Mayr, 1882) (**) ( Fig. 10 , Table 1)

Host plants/gall: Q. cer .(- a -), Q. pub ., Q. r. (- s -)—monolocular, polyhedral galls (2–3 mm Ø), free but grouped, between cotyledons and the acorn wall (- a -); gregarious cryptic galls strung along under the bark of young branches (- s -). Distribution in Dobrogea: Amzacea forestry band, the forests—Esechioi and Negru Vodӑ, CT county (Şchiopu, herein recorded).

World distribution: France ( Mayr, 1882; Dalla Torre & Kieffer, 1910), Greece ( Weld,1939; Pujade-Villar et al., 2002), Andorra ( Pujade-Villar, 1994), Italy, Spain, Türkiye ( Weld, 1939; Nieves- Aldrey, 1992, 2001; Azmaz & KatılmıŞ, 2017), Hungary and Ukraine ( Melika, 2006), Algérie ( Pujade-Villar et al. 2010).

(**) first recorded in Romania’s fauna.

Figures

FIGURE 10. Callirhytis rufescens (Mayr, 1882): a–c galls of asexual generation in acorn of Quercus cerris L.; d–f galls of sexual generation in twigs of Quercus robur L. (d–e emergence hols of adults, f—section through larval chambers) (Photo: I. Şchiopu).