Amblycerus crassipunctatus Ribeiro-Costa, 1999c

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 : 108-111

Amblycerus crassipunctatus Ribeiro-Costa, 1999c

( Figs 7–9 , 22 , 35 , 48 , 61, 62, 78, 91, 97, 117)

Amblycerus crassipunctatus Ribeiro-Costa, 1999c: 233–236 (desc., distr., gen., type).

Ribeiro-Costa & Costa, 2002: 310 (cit.); Johnson et al. 2001: 37–48 (ecol.); Johnson & Romero, 2004: 404 (guild); Ribeiro- Costa et al. 2010: 16 (type).

Types examined. Holotype deposited in DZUP, male, with labels: Brasília\ VIII.1997 \ F. Ramos leg. [white]; Holotype \ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999 det. [red]; DZUP\ 130143 [white]. Paratype deposited in DZUP, 1 male, with labels: Faz. Dr. José Mendes,\ Três Lagoas, MT\ ♀ [symbol handwritten] 15-VI-1964 \ Exp. Dep- to. Zool.; Dep. Zool.\ São Paulo; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999; DZUP\ 130144. Paratype deposited in MZSP, 1 male, with labels: Lagoa Santa MG\ Brasil 26.XI. 960\ Araujo e Martins; Dep. Zool.\ São Paulo; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paratypes deposited in CDJ, 2 males, with labels: Arbustal Riwo\ riwo, via Kavanayen\ Gran Sabana, Edo.\ Bolivar, Vzla. VIII. 93; Elena Raimundez\ colector; Reared seeds\ Vantanea minor ; Amblycerus \ crassipunctatus R..A.\ Det. Romero N. J. 98; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paratype deposited in USNM, 1 male, with labels: Brazil; L. J. Bottimer\ Collection\ No. 6/C; NMNH [yellow label with border and black writing]; Don`t\ recognized\ det.\ J. M. Kingsolver; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999; USNM [symbol handwritten]. Paratype deposited in MPEG, 1 male, with labels: Chapada dos\ Guimarães\ 31.I.1961; Brasil, MT\ J. & B. Bechyné; near or equal\ to mendes\ mss name [underlined in red]; MGPA; 8; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paratype deposited in NMNH, 1 female, with labels: Paraepeba ♂ [symbol handwritten]\ Minas Gerais Brasil \ E. P. Heringer; IOC; Amblycerus \ crassipunctatus\ Ribeiro-Costa\ C. S. Ribeiro-Costa det. 19; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paratypes deposited in MZSP, 2 males and 2 females, with labels: Barra do Tapirapé\ Mt—Brasil ♀ [symbol handwritten]\ 2- 16.1.1966 \ B. Malkin col.; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Barra do Tapirapé\ Mt—Brasil ♂ [symbol handwritten]\ 2- 16.1.1966 \ B. Malkin col.; PARÁTIPO [yellow la- bel with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Lagoa Santa MG\ Brasil 26- XI- 960 ♂ [symbol handwritten]\ Araujo e Martins; Dep. Zool.\ São Paulo; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Aldeia Coraci ♀ [symbol handwritten]\ (11 km W Canindé, Rio\ Gurupí)—Pará\ xii.964/ B. Malkin col.; PARÁTIPO\ Amblycerus crassipunctatu s\ Ribeiro-Costa, 1999. Paratypes deposited in FIOC, 3 males and 4 females, with labels: Paraepeba\ Minas Gerais Brasil \ E. P. Heringer ♀ [symbol handwritten]; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paraepeba\ Minas Gerais Brasil \ E. P. Heringer; IOC; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paraepeba\ Minas Gerais Brasil \ E. P. Heringer ♂ [symbol handwritten]; IOC; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999. Paraepeba\ Minas Gerais Brasil \ E. P. Heringer; PARÁTIPO [yellow label with border and black writing]\ Amblycerus crassipunctatus \ Ribeiro-Costa, 1999.

Additional specimens examined. [1 male specimen]: Brasil, Pará, Belém\ 01.VIII.2011 \ J. E. H. Carvalho col.; Germano\ 0060/2011; CSRC ID Nº 45; Amblycerus crassipunctatus \ Ribeiro-Costa, 1999\ Det.: A. T. Santos;\ C. S. Ribeiro-Costa, 2017. ( DZUP). [1 female specimen]: Brasil, Pará, Belém\ 01.VIII.2011 \ J. E. H. Carvalho col.; Germano\ 0060/2011; CSRC ID Nº 45; ♀; Amblycerus crassipunctatus \ Ribeiro-Costa, 1999\ Det.: A. T. Santos;\ C. S. Ribeiro-Costa, 2017. ( DZUP). [1 female specimen]: Paraepeba\ Minas Gerais Brasil \ E. P. Heringer ♂ [symbol handwritten]; IOC [green label written in black]; crassi\ C. S. Ribeiro-Costa det. 19; Amblycerus crassipunctatus \ Ribeiro-Costa, 1999\ Det.: A. T. Santos;\ C. S. Ribeiro-Costa, 2017. ( DZUP). [1 male specimen]: Lagoa Santa MG \ Brasil 26.XI. 960\ Araujo e Martins; Dep. Zool.; A.\ mendesi mss [in red]\ det.\ J. M. Kingsolver; Amblycerus \ crassipunctatus\ det. Ribeiro-Costa\ J. M. Kingsolver; Amblycerus crassipunctatus / Ribeiro-Costa, 1999/ Det.: A. T. Santos;/ C. S. Ribeiro-Costa, 2017. ( FSCA).

Measurements. Holotype, BL: 9.6 mm; BW: 5.2 mm

Diagnosis ( Figs 22 , 61–62, 91, 97). Amblycerus crassipunctatus is distinguished mainly by the eyes distant from each other anteriorly, ocular index: 3.5 ( Fig. 22 ) and median lobe of male genitalia about 3.7 times as long as its greatest width at apical region ( Figs 91 , 97 ); internal sac in the apical region with one pair of subtriangular sclerites with lateral margins serrated ( Fig. 91 ). Amblycerus crassipunctatus can be separated from A. schwarzi by having the cervical boss with three setae (two setae in A. schwarzi ), hind tibia with lateral spur about 2.0 times the length of median spur (about 3.0 times in A. schwarzi ) and ventrite V almost as long as ventrite IV (ventrite V almost two times as long as the ventrite IV). Amblycerus crassipunctatus can be further separated from A. dispar by the frontal carina absent (present in A. dispar ), eyes distant from each other anteriorly ( Fig. 22 ) (closer in A. dispar ) and metaventrite with median sulcus about half the length of metaventrite (longer than half length of metaventrite in A. dispar ).

Distribution ( Fig. 117 ). Venezuela and Brazil (Pará, Mato Grosso, Distrito Federal, Minas Gerais).

Life History. According to Johnson et al. (2001), A. crassipunctatus belongs to Johnson’s (1981) Guild A, since the female oviposits on the surface of fruits of Vantanea minor Bentham (Humiriaceae) , its unique seed predator. The eggs have a flange with glue on the periphery, similar to that is found in other Amblycerus spp. (i.e. A. vitis , A. submaculatus ( Pic, 1927) , A. dispar , A. longesuturalis ( Pic, 1954) and A. robiniae ( Fabricius, 1781) . Johnson et al. (2001) recorded 28.5% and 39% of V. minor fruits damaged by A. crassipunctatus ; in other Amblycerus species from 01.0% to 61% of the fruits were damage.

Host plant (Tab. II). Humiriaceae : Vantanea minor Benth.

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 9–14. Dorsal, group dispar: 9. Amblycerus crassipunctatus, 10. A. dispar, 11. A. insuturatus, 12. A. schwarzi, 13. A. taeniopygus and 14. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 1.0 mm.

FIGURES 22–27. Head, group dispar: 22. Amblycerus crassipunctatus, 23. A. dispar, 24. A. insuturatus, 25. A. schwarzi, 26. A. taeniopygus, 27. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 1.0 mm.

FIGURES 35–40. Lateral. group dispar: 35. Amblycerus crassipunctatus, 36. A. dispar, 37. A. insuturatus, 38. A. schwarzi, 39. A. taeniopygus and 40. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 1.0 mm.

FIGURES 48–53. Pronotum, group dispar: 48. Amblycerus crassipunctatus. 49. A. dispar. 50. A. insuturatus. 51. A. schwarzi. 52. A. taeniopygus and 53. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 1.0 mm.

FIGURES 91–96. Male genitalia, median lobe, group dispar: 91. Amblycerus crassipunctatus, 92. A. dispar, 93. A. insuturatus, 94. A. schwarzi, 95. A. taeniopygus and 96. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 0.25 mm and 500 ʯm.

FIGURES 97–102. Male genitalia, tegmen, group dispar: 97. Amblycerus crassipunctatus, 98. A. dispar, 99. A. insuturatus, 100. A. schwarzi, 101. A. taeniopygus and 102. Amblycerus goianiensis Santos & Ribeiro-Costa, sp. n. Scale bars = 0.25 mm.

FIGURES 117–118. FIGURE 117. Map with the geographical distribution of A. crassipunctatus and A. dispar. Leaked symbols refer to bibliography data. FIGURE 118. Map with the geographical distribution of A. insuturatus and A. schwarzi. Leaked symbols refer to bibliography data.