Camarotoscena speciosa (Flor)

Burckhardt, Daniel, Haseen, Cherukad, He, Zhixin, Luo, Xinyu, Pramatarova, Monika, Grimaud, Sylvain, Hussain, Barkat, Song, Fan & Serbina, Liliya Štarhová, 2025, Species concepts in the psyllid genus Camarotoscena (Hemiptera, Psylloidea) associated with Populus (Salicaceae), Alpine Entomology 9, pp. 153-172 : 153-172

Camarotoscena speciosa (Flor)

Figs 1 A, B, G , 2 P – R , 4 G – I , 5 G , 6 C, G, I , 7 C, F , 8 B

Rhinocola speciosa Flor (1861 a) : 525.

Camarotoscena speciosa, Haupt (1935): 228.

Paurocephala ( Camarotoscena) speciosa, Vondráček (1957): 126.

Material examined.

From Bulgaria, China ( Xinjiang), Czechia, France, Germany, Hungary, Italy, Switzerland and Turkey; dry and slide mounted, preserved in 70 % ethanol; BFUS, CAU, MHNG, MMBC, NHMB.

Description.

Adult and immature by Ossiannilsson (1992). Fifth instar immature (Fig. 6 C ). Dorsal sclerites on the head, thorax and abdomen brown to dark brown (Fig. 6 C ). Setae on the dorsal surface of the forewing pads relatively dense, numerous and long and with several sectasetae (Fig. 6 G, I ). Caudal plate with interval II longer than medial and apical row of setae (Fig. 7 C ). Ventrite bearing the circumanal ring strongly sclerotised and well-delimited anteriorly (Fig. 7 F ); bearing a row of setae along anterior margin; venter with four transverse rows between abdominal base and anterior margin of terminal ventrite; transverse row IV of setae on abdominal venter consisting of two uneven rows of variously long setae (Fig. 8 B ).

Distribution.

Armenia, Austria, Azerbaijan, Belarus, Belgium, Bulgaria, China, Czechia, Denmark, Estonia, Finland, France, Germany, Georgia, Greece, Hungary, Italy, Kazakhstan, Kyrgyzstan, Latvia, Moldova, Netherlands, Poland, Romania, Russia (European part), Slovakia, Slovenia, Spain, Switzerland, Tadzhikistan, Turkey, Turkmenistan, UK, Ukraine, Uzbekistan ( Flor 1861 a; Schaefer 1949; Ramírez Gómez 1960; Wagner and Franz 1961; Dobreanu and Manolache 1962; Klimaszewski 1975; Lauterer 1977; Hodkinson and White 1979; Burckhardt 1988; Gegechkori and Loginova 1990; Ossiannilsson 1992; Burckhardt and Önuçar 1993; Conci et al. 1993; Lauterer 1993; Nokkala 1995; Baugnée et al. 2002; Burckhardt and Lauterer 2003; Ripka 2008; Serbina et al. 2015; Luo 2016; Bieman et al. 2019; Seljak 2020; Pramatarova et al. 2025); galls were reported from Luxemburg ( Rapisarda et al. 2022).

Host plant.

Populus alba L., P. nigra L., P. tremula L., ( Salicaceae ), P. × generosa A. Henry ( Hodkinson and White 1979; Nokkala 1995), confirmed with the presence of immatures. Galls were reported from P. × berolinensis K. Koch and P. × canadensis Moench ( Ambrus 1958) . On an internet site ( https://bladmineerders.nl/parasites/animalia/arthropoda/insecta/hemiptera/sternorrhyncha/psylloidea/psyllidae/paurocephalinae/camarotoscena/camarotoscena-speciosa/) also following non-European species are cited though it is not stated where this information comes from and if the records are based on the presence of immatures: North American species: P. balsamifera L., P. deltoides W. Bartram ex Marshall ; Asian species: P. lasiocarpa Oliv. , P. simonii Carrière.

Biology.

Immatures in leaf roll galls. Probably bivoltine ( Conci et al. 1993). In the south of France, adults are common in August (S. Grimaud, pers. obs.). The species occurs sometimes together with C. subrubescens ( Flor 1861 b) (S. Grimaud, pers. obs.).

Comment.

The record from Mongolia ( Klimaszewski 1973) refers to C. bianchii ( Gegechkori and Loginova 1990) . The registers from Iraq ( Al-Maroof 1990; Mustafa et al. 2014) are doubtful and may concern other species.

Figures

Figure 1. Camarotoscena spp. A – D. Living adults on Populus; E – H. Galls on Populus nigra. A, B, G. C. speciosa; C, H. C. subrubescens; D. Camarotoscena sp. with colour pattern intermediate between C. speciosa and C. subrubescens; E, F. C. fulgidipennis and C. hoberlandti. Photos A, D by M. Pramatarova; B, C, G, H by S. Grimaud; E, F by C. Haseen.

Figure 2. Camarotoscena spp. A, D, G, J, M, P, S. Habitus, in lateral view (scale = 0.3 mm); B, E, H, K, N, Q, T. Forewing (scale = 0.3 mm); C, F, I, L, O, R, U. Surface spinules in cell r 2 above the bifurcation of vein M (scale = 0.05 mm). A – C. C. fulgidipennis; D – F. C. hoberlandti; G – I. C. trjapitzini, the forewing in H is anomalous in that it lacks cell m 1; J – L. C. lauta; M – O. C. personata; P – R. C. speciosa; S – U. C. subrubescens.

Figure 4. Camarotoscena spp. A, D, G, J. Male terminalia, in lateral view (scale = 0.1 mm); B, E, H, K. Paramere, inner face in lateral view (scale = 0.05 mm); C, F, I, L. Distal segment of aedeagus (scale = 0.05 mm). A – C. C. lauta; D – F. C. personata; G – I. C. speciosa; J – L. C. subrubescens.

Figure 5. Camarotoscena spp., female terminalia, in lateral view (scale = 0.1 mm). A. C. fulgidipennis; B. C. hoberlandti; C. C. trjapitzini; D. C. personata; E. C. badia (del. X. Luo); F. C. lauta; G. C. speciosa; H. C. subrubescens.

Figure 6. Camarotoscena spp., fifth instar immature. A – E. Dorsal view, left side (scale = 0.1 mm); F – H. Left forewing pad, dorsal view (scale = 0.1 mm); I. Detail of dorsal face of forewing pad with sectasetae (arrows) (scale = 0.05 mm). A, F. C. fulgidipennis; B. C. hoberlandti; C, G, I. C. speciosa; D, H. C. subrubescens; E. C. trjapitzini.

Figure 7. Camarotoscena spp., fifth instar immature. A – E. Caudal plate (scale = 0.1 mm); F. Apex of abdominal venter, anterior margin of sclerotised plate indicated by arrows (scale = 0.1 mm). A. C. fulgidipennis; B. C. hoberlandti; C, F. C. speciosa; D. C. subrubescens; E. C. trjapitzini. Abbreviations: brs, mrs and ars = basal, medial and apical row of setae.

Figure 8. Camarotoscena spp., fifth instar immature, abdominal venter with transverse rows of setae indicated by numbers (scale = 0.1 mm). A. C. fulgidipennis; B. C. speciosa; C. C. subrubescens.