Euphoria mystica Thomson, 1878

Orozco, Jesús, 2012, Monographic Revision of the American Genus Euphoria Burmeister, 1842 (Coleoptera: Scarabaeidae: Cetoniinae), The Coleopterists Bulletin (mo 11) 66, pp. 1-182 : 67

Euphoria mystica Thomson, 1878

(Appendix 4: Fig. 33 )

Euphoria mystica Thomson 1878: 27 . Original combination.

Holotype at MNHN, examined.

Description (n = 21). Length 12.9–15.2 mm; width 6.9–9.4 mm. Color: Dorsal surface yellowish brown to dark brown, anterior half shiny, posterior half tomentous. Pronotum shiny, unicolored in males, with 4 longitudinal, irregular, dark vittae in females. Elytra tomentous, with black to dark brown markings, markings frequently covering most of surface. Ventral surface, including legs, light brown, reddish brown, or a combination of these colors. Head: Frons frequently with strongly raised, longitudinal ridge at middle, densely punctate; punctures round, deep, moderate in size, confluent, moderately densely to densely setose; setae, yellowish, moderate to long. Clypeus subrectangular, sides moderately raised in males, weakly raised in females; apex truncate in dorsal view, sinuate in frontal view, strongly reflexed in males, weakly reflexed in females. Antennal club longer than stem in males, shorter in females. Pronotum: Surface densely punctate; punctures small, round to lunulate, moderately densely to densely setose; setae short, yellowish. Sides at base weakly convergent anteriorly, anterior corners with few rugae. Base in front of scutellum strongly emarginate. Scutellum densely punctate; punctures round to lunulate, moderate in size, some bearing short, yellowish setae. Elytra: Surface sparsely to moderately densely punctate, striae bearing 3 irregular rows of small, lunulate or irregular punctures, glabrous to sparsely setose; setae short to moderate, yellowish. Costae sometimes weak. Apical declivity and posterior sides weakly rugose. Pygidium: Surface subconcentrically striate; striae dense, discontinuous, moderately densely to densely setose, setae short to moderate in size. Legs: Protibiae slender in males, robust in females, apical and medial teeth closer to each other than to basal tooth in males, frequently equidistant in females, basal tooth frequently obsolete to subobsolete in both sexes. Metatibiae not apically expanded in both sexes, metatarsi shorter than metatibiae in females, unknown in males (tarsi missing, presumably as long or longer). Venter: Mesometasternal process weakly compressed laterally, extending anteriorly well beyond mesocoxae, apex variably rounded. Metasternum rugose, moderately to densely setose laterally, weakly to moderately punctate and setose at middle, median sulcus weakly to strongly impressed. Abdomen in lateral view flat to weakly concave in males, flat to weakly convex in females. Male genitalia: Parameres as in Fig. 33c .

Diagnosis. Euphoria mystica is separated from other species in the group by the shiny pronotum, tomentous elytra, densely punctate scutellum, and form of the parameres. Sakai and Nagai (1998) misidentified this species as E. subguttata (Appendix 5).

Taxonomic History. Thomson (1878) described this species based on a male specimen from “ Mexico ”. Additional specimens in the MNHN are labeled “ Euphoria segmentata Guerin ”, but this name was never published and is therefore unavailable.

Natural History. Nothing is known of its biology.

Temporal Distribution. March (2), May (1), August (2), September (1) ( Fig. 33e ).

Geographic Distribution. Known from Veracruz and Chiapas, Mexico and Alta Verapaz, Guatemala ( Fig. 33f ).

Specimens Examined (21). Type material: Holotype male at MNHN labeled “mex// Ex-musaeo/ VAN LANSBERGE// MUSÉUM PARIS/ COLL. R. OBERTHUR” and my holotype label. Other material: GUATEMALA (3): ALTA VERAPAZ: Baleu (1), Panzós (1); NO DATA: Guatemala (1). MEXICO (17): CHIAPAS: Jetja (1), Pueblo Nuevo (1), Rancho Santa Rosa (2), San Antonio (3). VERACRUZ. Córdoba (1), Orizaba (3), Soteapan (2), Xalapa (3), Xico (1).

Figures

Fig. 33. Euphoria mystica. a) Habitus of male, b) Head, c) Parameres, d) Female, e) Temporal distribution, f) Geographic distribution in Guatemala and Mexico.