Eudeferunda

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Taxonavigation

Ordo: Hemiptera
Familia: Achilidae

Name

Eudeferunda Chen,Yang & Wilson, 1989 – Wikispecies link – Pensoft Profile

• Eudeferunda Chen et al. 1989: 16.

Type species

Eudeferunda lenita Chen, Yang & Wilson, 1989, by original designation.

Diagnosis

Small size. Head with eyes narrower than pronotum (0.7–0.8:1) (Figs 7, 19). Vertex produced before eyes about 0.4 times of its length, longer in middle line than wide at base (1.4:1), disk distinctly depressed, median carina basal half prominent, anterior half obsolete, anterior margin acutely rounded convex, lateral margins carinate, straight, diverging posteriorly, posterior margin in middle angulately convex (Figs 7, 19). Frons longer in middle line than widest part (1.25–1.4:1), basal margin subtruncate or truncate, about quarter length of widest part, lateral margins strongly foliate basally, slightly convex laterally, thence incurved into suture (Figs 8, 20). Postclypeus shorter than frons in middle line (0.4–0.6:1) (Figs 8, 20). Eyes incised beneath, not or slightly overlapping pronotum (Figs 7, 9, 19, 21). Ocelli detached from eyes. Antennae with pedicel subglobose. Pronotum moderately short, as long behind eyes as in middle line, disc with median carina shorter than lateral carinae (0.5:1) (Figs 7, 19). Mesonotum tricarinate, longer than vertex and pronotum together, lateral carinae slightly diverging posteriorly, middle carina apically obsolete (Figs 7, 19). Forewing 2.5–2.9 times as long as broad, CuA1 not convex strongly, Sc+R forking level of CuA1 fork, both slightly distally union of PCu with A1, clavus terminating at midway of forewing (Figs 10, 22). Post-tibia with a single lateral spine at basal 2/5, metatibio-tarsal formula of hind leg 8–7–6 (Figs 5–6). Anal segment relatively short, in dorsal view apical margin concave in middle (Figs 12, 23). Pygofer in lateral view distinctly longer ventrally than dorsally, anterior margin concave, posterior margin convex and produced a curved process directing downward (Figs 13, 24); in ventral view medioventral processes paired, median cleft deep (Figs 14, 25). Dorsal margin of gonostyle with a large triangular process laterad, thence laterad convex near base (Figs 15–16, 26). Male genitalia with phallobase submembraneous, tube-like, phallobase with dorsal and ventral lobes; ventral lobe of phallobase in ventral view cleft at apical margin in middle, each lateral side with a pointed processes, bilateral areas with thorns; in dorsal view, dorsal lobe of phallobase with apical margin broadly incised in middle; phallic appendages longer than phallobase about 3:1, gradually narrowing apically (Figs 17–18, 27–28).

Distribution

Oriental region.

Key to species of Eudeferunda Chen, Yang & Wilson (male)

Key to species of Eudeferunda Chen, Yang & Wilson (male) — J. Long , L. Yang , X. Chen

1		Medioventral processes of pygofer digitate, gradually narrowing apically (Fig. 25); anal segment in dorsal view with base margin truncate and blunt laterally (Fig. 23); ventral lobe of phallobase with a couple of lateral processes near apex (Figs 27–28)    Eudeferunda lenita
–		Medioventral processes of pygofer with apex distinctly attenuate and bent towards outboard (Fig. 14); anal segment in dorsal view with basal margin slightly sinuate and angular laterally (Fig. 12); ventral lobe of phallobase with a couple of lateral processes at base 1/3 (Fig. 17)    Eudeferunda alatea sp. n.

Taxon Treatment

• Long, J; Yang, L; Chen, X; 2013: A review of the Oriental genus Eudeferunda Chen, Yang & Wilson (Hemiptera, Fulgoromorpha, Achilidae) with description of one new species from Hainan, China ZooKeys, 313: 1-8. doi

Images

Figures 1–6. Eudeferunda alatea Long & Chen sp. n. 1 Male habitus, dorsal view 2 Male habitus, lateral view 3 Female habitus, dorsal view 4 Female habitus, lateral view 5 Hind tibia and tarsus 6 Apex of hind leg.  Figures 7–18. Eudeferunda alatea Long & Chen sp. n. 7 Head and thorax, dorsal view 8 Frons and clypeus 9 Head, lateral view 10 Forewing 11 Hindwing 12 Anal segment, dorsal view 13 Male genitalia, lateral view 14 Male genitalia, ventral view 15 Left gonostyle, dorsal view 16 Left gonostyle, ventral view 17 Aedeagus, ventral view 18 Aedeagus, dorsal view. Scale bars: = 1 mm (Figs 10–11); 0.5 mm (Figs 7–9, 13–14, 17–18); 0.2mm (Figs 12, 15–16).  Figures 19–28. Eudeferunda lenita Chen, Yang & Wilson, 1989. 19 Head and thorax, dorsal view 20 Frons and clypeus 21 Head, lateral view 22 Forewing 23 Anal segment, dorsal view 24 Male genitalia, lateral view 25 Male genitalia, ventral view 26 Left gonostyle 27 Aedeagus, dorsal view 28 Phallobase, ventral view. Scale bars: = 1 mm (Figs 10–11); 0.5 mm (Figs 7–9, 13–14, 17–18); 0.2mm (Figs 12, 15–16) (all after Chen et al. 1989).