Amblycerus spondiae, Kingsolver, 1980

Santos, Aluska Tavares Dos & Ribeiro-Costa, Cibele Stramare, 2019, Rearrangements in some species groups of Amblycerus Thunberg, 1815 (Coleoptera: Chrysomelidae: Bruchinae) including keys, description of a new species, new host plant and distributional records, Zootaxa 4701 (2), pp. 101-148 : 126

The spondiae group

( Figs 5, 6 , 15–18 , 28–31 , 41–44 , 54–57 , 71–74, 84–87, 103–110, 120, 121)

Species composition: Amblycerus alternatus ( Pic, 1954) , A. cuernavacensis Romero, Johnson & Kingsolver, 1996 , A. spondiae Kingsolver, 1980 and A. vitis ( Schaeffer, 1907) .

Diagnosis. The spondiae group is characterized by the following combination of characters: pronotum entirely covered with coarse punctures ( Figs 54–57 ) and elytra with strips of setae. Internal sac in the apical region with a pair of sclerites, median region with a pair of serrate blades at margin and apex and unpaired sclerite ( Figs 103–106 ).

Figures

FIGURES 1–8. Amblycerus dispar: 1. dorsal; 2. scutellum. A. taeniopygus: 3. head, A. insuturatus: 4. lateral. A. alternatus: 5. detail of coarse punctures on median region of pronotum; 6. detail of coarse punctures on median region of pygidium. A. crassipunctatus: 7–8. Male genitalia: 7. Median lobe; 8. Tegmen. Scale bars = 1.0 mm (Figs 5, 7, 8) and 0.25 mm (Fig. 12).

FIGURES 15–18. Dorsal, group spondiae: 15. A. alternatus, 16. A. cuernavacensis, 17. A. spondiae, 18. A. vitis. Scale bars = 1.0 mm.

FIGURES 28–31. Head, group spondiae: 28. A. alternatus, 29. A. cuernavacensis, 30. A. spondiae, 31. A. vitis. Scale bars = 1.0 mm.

FIGURES 41–44. Lateral, group spondiae: 41. A. alternatus, 42. A. cuernavacensis, 43. A. spondiae and 44. A. vitis. Scale bars = 1.0 mm.

FIGURES 54–57. Pronotum, group spondiae: 54. A. alternatus, 55. A. cuernavacensis, 56. A. spondiae and 57. A. vitis. Scale bars = 1.0 mm.

FIGURES 103–106. Male genitalia, median lobe, group spondiae: 103. A. alternatus, 104. A. cuernavacensis, 105. A. spondiae and 106. A. vitis. Scale bars = 0.25 mm.