Chrysina guatemalensis ( Monzón, Cano and Bailey, 1999 )

Sierra, José Monzón, 2010, Three new species of Chrysina Kirby (Coleoptera: Scarabaeidae; Rutelinae) from Guatemala and Mexico, Insecta Mundi 2010 (143), pp. 1-12 : 11

Chrysina guatemalensis ( Monzón, Cano and Bailey, 1999)

( Figure 9, 10 , 19 , 25 , 37 )

Female description. Length 24.0 to 26.0 mm; width at elytral humeri 11.0 to 12.0 mm; maximum width (middle of elytra) 13.5 to 14.0 mm. Color of dorsum shiny yellowish lime green; anterior of clypeus pink, lateral margins including ocular canthi pink, antenna including club brown, scape and first segment with dorsum pink; lateral pronotal margins faint pink; elytral margins yellowish and pinkish green. Color of venter green with week golden green streaks; legs with apex of femora and external sides of tibiae pink; tarsi golden green; mesometasternal protrusion iridescent yellow green with pink reflections. Clypeus ( Fig. 19 ) free margins semiparabolic in dorsal view, free margins slightly reflexed; surface with fine moderately dense punctures; interocular distance 2.3 times wider than antennal club length. Mentum ( Fig. 25 ) quadrate; anterior depression irregularly emarginated; lateral depressions wide and deep; posterior depression absent; surface with very scattered setigerous punctures. Pronotum at base 2.3 times as wide as interocular distance; sculpture similar to frons. Lateral margin completely beaded, effaced between inner border of eyes and in front of the scutellum. Elytra punctate striate; punctures in striae moderate in size; intervals convex. Elytron 16.0 to 17.0 mm long and 2.9 to 3.4 times as long as pronotum; lateral margin with complete bead. Pygidium with surface completely rugose, apical margin with few and scattered pale setae; surface convex and prominent before apex. Venter with mesometasternal protrusion slender and long, apex rounded and slightly depressed. Metasternum sides setigerously punctate; punctures becoming ring like towards basal margin; setae fine, long and buff colored. Legs with protibia tridentate, basal tooth small to barely visible. Inferior genital plates ( Fig. 37 ) simple, rounded in profile and convex; apex with short pale setae.

Material examined. Three females with data as follows: “ GUATEMALA, San Marcos, San Rafael Pie de La Cuesta, camino Fraternidad-Bojonal, 28-31 agosto 2005, 1600 m., Colector José Monzón S” ; same data except “ 10 MAYO 2008, 14.9459 -91.8806, Monzón y Camposeco” ; same data except “ 27 AGOSTO 2008, Col. Monzón y Camposeco” .

Figures

Figure 1-12. Dorsal and ventral habitus of adult Chrysina specimens. 1-2) C. giesberti male paratype from Cerro Cruz Maltín, Huehuetenango. 3-4) C. hawksi male paratype from Bulej, Huehuetenango. 5-6) C. baileyana male paratype from Chiantla, Huehuetenango. 7-8) C. centralis female from La Fraternidad, San Marcos. 9-10) C. guatemalensis female from Bojonal, San Marcos. 11-12) C. tecunumani female from Cerro Pinalón, El Progreso.

Figure 13-20. Clypeus of Chrysina spp. 13) C. giesberti. 14) C. hawksi. 15) C. pehlkei male from Cerro Alúx, Sacatepéquez. 16) C. centralis. 17) C. baileyana. 18) C. triumphalis from Bojonal, San Marcos. 19) C. guatemalensis. 20) C. tecunumani. Length of line 7 mm.

Figure 21-28. Mentum of Chrysina spp. 21) C. giesberti. 22) C. hawksi. 23) C. pehlkei. 24) C. centralis. 25) C. guatemalensis. 26) C. baileyana. 27) C. triumphalis. 28) C. tecunumani. Length of line 4 mm.

Figure 32-38. Female inferior genital plates of Chrysina spp. 32) C. giesberti. 33) C. hawksi. 34) C. pehlkei. 35) C. baileyana. 36) C. centralis. 37) C. guatemalensis. 38) C. tecunumani. Length of line 2.5 mm.