Acentroptera nevermanni Uhmann

Staines, C. L., 2014, A revision of the genus Acentroptera Guérin-Méneville, 1844 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2014 (332), pp. 1-19 : 8-9

Acentroptera nevermanni Uhmann

Fig. 7

Acentroptera nevermanni Uhmann 1930a: 244 (Holotype: Costa Rica, F. Nevermann, VII-23 [green label]// Coronado, 1400-1500 m, T. Assmann leg. [reversed green label]// an Gebusch// Type No. 54599 USNM [orange label]// Holotype [red label]// Acentroptera nevermanni n. sp. (USNM)). Uhmann 1943: 116 (noted), 1957: 66 (catalog); Papp 1953: 50 (catalog); Wilcox 1975: 140 (catalog); Staines and Staines 1997: 14 (types); Staines 1997: 411 (Uhmann species list).

Description. Elongate; subparallel; convex; testaceous, apical antennomeres and lateral margin of pronotum darker; venter black; meso- and metafemora diffuse black. Head: vertex coarsely punctate, medial sulcus present; not depressed between eyes; tooth present between antennal bases; frons with carina, notched, impunctate; clypeus sparsely punctate, carinate. Antenna: reaches to humerus; antennomere 1 subglobose, 2x length of 2; 2 robust, cylindrical; 3-5 cylindrical, each narrower and shorter than 2; 6-7 transverse, subequal in length; 8-10 transverse, subequal in length and width, each wider than 7; 11 pointed at apex, subequal in length to 10; 1-7 sparsely punctate; 8-11 setose. Pronotum: transverse; convex; lateral margin evenly arcuate from base to apex, narrowly margined; anterior angle with flat, obtuse tooth; posterior angle rounded; surface densely, coarsely punctate except area in middle of disc; slight transverse basal impression present; pronotal length 1.3-1.6 mm; pronotal width 1.4-1.7 mm. Scutellum: quadrate; impunctate. Elytron: lateral margin smooth, margined; exterior apical angle rounded, smooth; apical margin slightly sinuate, slightly laminate, smooth; sutural angle without tooth; humerus rounded, slightly constricted behind humerus; with punctures quadrate; interspace 4 wide, slightly costate; 6 costate at base and apex; 8 costate for entire length; elytral length 5.7-6.0 mm; elytra width 2.3-2.7 mm. Venter: prosternum impunctate medially, punctate laterally; mesosternum punctate; metasternum impunctate; abdominal sterna impunctate; apical margin of last sternite notched in middle with fringe of setae in notch. Leg: impunctate; tibia with fringe of setae on inner apical margin. Total length: 7.3-9.4 mm.

Host plant. Adults have been collected from bromeliads ( Bromeliaceae ).

Distribution. Costa Rica, Guatemala, Honduras, Mexico.

Specimens examined: Costa Rica: unknown locality- with bromeliad plants, 11 May 1961 ( USNM) ; at Miami, Florida, 6 June 1975, ex. bromeliad ( USNM) ; at Miami, Florida, 6 December 1976 ex. bromeliad ( USNM). Guanacaste- Guacamaya , May 1926 ( UCRC) ; Río San Lorenzo, 1050 m, Tierras Morenas, Z. P. Tenorio, 28 March- 21 April 1992, April 1992 ( INBio). Heredia: ACC VA Barva , San Jose de la Montaña, Estacion Barva, 1 November 1989, 1 May 1990 ( INBio) ; 16 km SSE La Virgen , 1050-1150 m, malaise trap, 21 February 2001 ( INBio) ; San Antonio de Belén, 3 May 1983 ( UCRC). Puntarenas- Coronado , July 1923 ( USNM) ; San Luis, R. B. Monteverde, May 1993, March 1995 ( INBio). San José- La Palma, 1400 m ( USNM) . Guatemala: 13 February 1964, intercepted at Miami ( USNM) ; 21 May 1973, intercepted at Miami ( USNM) . Honduras: Francisco Morazan- Lepaterique, Las Grades, 31 May 1993 ( USNM) . Mexico: unknown locality- at Nogales Arizona, 16 January 1978, ex. bromeliad ( USNM). Chiapas- 33.7 mi n. Huixtla, 6000', 26-27 February 1966 ( USNM). Total : 18 .

Figures

Figures 1-9. Habitus of Acentroptera species. 1) Acentroptera basilica Thomson. 2) Acentroptera bita Staines n. sp. holotype. 3) Acentroptera dejeanii Guérin-Méneville. 4) Acentroptera emdeni Uhmann. 5) Acentroptera lacordairei Lucas. 6) Acentroptera lineata Staines n. sp. holotype. 7) Acentroptera nevermanni Uhmann. 8) Acentroptera norrisii Guérin-Méneville. 9) Acentroptera ohausi Weise.