Coleoptera: Carabidae: Harpalinae) from Ethiopia Author(S): Francisco Novoa, Israel Gañán, and Andrés Baselga Source: the Coleopterists Bulletin, 69(4):713-722
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Descriptions of Two New Species of Calathus Bonelli (Coleoptera: Carabidae: Harpalinae) from Ethiopia Author(s): Francisco Novoa, Israel Gañán, and Andrés Baselga Source: The Coleopterists Bulletin, 69(4):713-722. Published By: The Coleopterists Society DOI: http://dx.doi.org/10.1649/0010-065X-69.4.713 URL: http://www.bioone.org/doi/full/10.1649/0010-065X-69.4.713 BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological, ecological, and environmental sciences. BioOne provides a sustainable online platform for over 170 journals and books published by nonprofit societies, associations, museums, institutions, and presses. Your use of this PDF, the BioOne Web site, and all posted and associated content indicates your acceptance of BioOne’s Terms of Use, available at www.bioone.org/page/ terms_of_use. Usage of BioOne content is strictly limited to personal, educational, and non-commercial use. Commercial inquiries or rights and permissions requests should be directed to the individual publisher as copyright holder. BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. The Coleopterists Bulletin, 69(4): 713–722. 2015. DESCRIPTIONS OF TWO NEW SPECIES OF CALATHUS BONELLI (COLEOPTERA: CARABIDAE:HARPALINAE) FROM ETHIOPIA FRANCISCO NOVOA,ISRAEL GAÑÁN, AND ANDRÉS BASELGA Departamento de Zoología y Antropología Facultad de Biología, Universidad de Santiago de Compostela E-15782 Santiago de Compostela, A Coruña, SPAIN [email protected] ABSTRACT Two new species of Calathus Bonelli are described from the Ethiopian Highlands, Ethiopa: Calathus kebedei Novoa, Gañán and Baselga [type locality = Ethiopia, Gojjam, Debre Markos at Danghle, near Robu Gebeya, Mt. Choke, 3,793 m altitude, 10°38′19″ N37°50′04″ E] and Calathus balli Novoa, Gañán and Baselga [type locality = Ethiopia, Wello, Dessie at Guguftu, near Mt. Amba Farit, 3,600 m altitude, 10°57′31″ N 39°27′49″ E]. Calathus kebedei and C. balli are easily distinguished from all other known species of Ethiopian Calathus by pronotal shape and number and location of elytral setae. Males of both species have singular forms of the median lobe of aedeagus and paramera. The two new species are lapidicolous living in Afroalpine grassland, sometimes at the base of the giant Lobelia rhynchopetalum Hemsley. Key Words: ground beetles, taxonomy, Ethiopian Highlands, Afroalpine grasslands The genus Calathus Bonelli (Carabidae: Harpalinae: (1918, 1932, 1937) and two by Basilewsky (1953, Sphodrini) is found mainly in the Holarctic region. 1957). The material used for the description of It includes 125 species from the Palaearctic region most of these species (up to 10) was collected by (with the addition of Calathus atitari Novoa to the Scott (1927, 1952, 1958) during three expeditions 124 species in Hovorka and Sciaky’s (2003) cata- to Ethiopia. Recently, two new Calathus species logue) and 24 in the Nearctic region (Ball and have been described from the Ethiopian Highlands Nègre 1972). Some species have also been found (Novoa and Gañán 2014). in the Ethiopian and Oriental regions (Schatzmayr The purpose of this paper is to describe two new 1935; Hürka 1996). Ball and Bousquet (2001) indi- species of Calathus, one from the Choke Moun- cated that approximately one-third of all described tains and another from the Amba Farit Mountains Calathus species have not been assigned to a sub- and Termaber Pass (Ethiopian Highlands, Ethiopia), genus and stress that “a worldwide revision of this and include geographical distribution and ecologi- genus is called for”. cal notes. We provide a key to the Ethiopian spe- In the Ethiopian region, Calathus species are cies characterized by having well-marked pronotal only known from Ethiopia, specifically from the hind angles and rounded elytral shoulders, based mountains of the Ethiopian Highlands. Lindroth upon the keys of Ethiopian Calathus by Basilewsky (1956) pointed out that Ethiopian Calathus differ (1953, 1957). from all other Calathus in having more or less developed pubescence on the apical half of the MATERIAL AND METHODS third antennomere, although in some species it is almost lacking. However, this character is not spe- Specimens of the new species described here cific to Ethiopian Calathus, as some Lauricalathus were collected by the first two coauthors during Machado from the Canary Islands (Machado 1992) 2005 and 2007 in the Choke Mountains, Mt. Amba and C. atitari from Morocco (Novoa 1999) also Farit and Termaber Pass located in the Ethiopian have pubescence on the third antennomere. Highlands. These expeditions were made possible Currently, 19 endemic species of Calathus are by two Memoranda of Understanding between the known from the Ethiopian Highlands, but none Wildlife Conservation Department (Ethiopia) and have been found south of Ethiopia. Ancey (1882) the University of Santiago de Compostela, signed in described Calathus theodori from a male speci- Addis Ababa in 2005 and 2007, concerning projects men collected by Raffray with “Abyssinie” as the for prospecting species of Carabidae in several zones type locality. In the same year, Fairmaire (1882) of Ethiopia. Geographic names were derived from a described Calathus parvicollis and Calathus 1:1,800,000 Ethiopia, Eritrea, Somalia, and Djibuti vagestriatus, also from Raffray’s material and topographic map by Reise-Know-How Publishing labelled “Abyssinie”. Publications on new species Company and local references. Geographic coordinates of Ethiopian Calathus consist of three by Alluaud and elevations for collecting sites were determined 713 714 THE COLEOPTERISTS BULLETIN 69(4), 2015 using a GPS Garmin eTrex Vista C and Google Earth 37°47′18″ E.CollectedbyF.Novoa,23March (www.earth.google.com). 2005. All deposited in MNCN; 16 males and nine Specimens were collected by turning over stones females labelled: Ethiopia, Gojjam, campsite to top, and by searching under mats of vegetation and Mt. Coche, 3,500–4,000 m altitude, 10°44′–45′ N, in the leaf litter. Aedeagi were extracted from the 37°55′– 58′ E. Collected by R.O.S. Clarke, 17 Decem- abdomen, and parameres were separated from the ber 1972, and 18 males and nine females labelled: surface of the median lobe and immersed in lactic Ethiopia, Gojjam, Ambagir, Mt. Coche, 3,200– acid for cleaning. After examination, the genital 3,500 m altitude, 10°44′ N, 37°58′–38°01′ E. Col- preparations were put in dimetyl-hydroxy-furanone lected by R.O.S. Clarke, 17 December 1972. All on an acetate sheet. Drawings of dorsal habitus, deposited RMCA. pronota, and male genitalia were made using digi- Etymology. The species is named for Samson tal photographs captured by an Olympus E-520 on Kebede in tribute to his extraordinary assistance an Olympus SZH10 stereomicroscope. Drawings as a guide during the different expeditions to col- of the habitus of both species were performed by lect Coleoptera in the Ethiopian Highlands. the third coauthor. Diagnosis. Body black, shiny, elytra with a faint We also studied a collection of Ethiopian Calathus bluish hue. Elytra with 3–5 dorsal setigerous pores, collected on expeditions led by R. Clarke and G. de moderately foveate on third stria. Rougemont to the provinces of Gojjam and Shewa in By the elytra with the setigerous pores located 1972 and 1973. This material belongs to the Royal on little foveae of the third stria, C. kebedei is dif- Museum for Central Africa, Tervuren (RMCA). ferentiated from the closest species C. theodori and Some specimens in the private collection of Peter Calathus juan Novoa and Gañán, which both lack Schüle were also studied. In addition, we exam- foveae with setigerous pores on the third stria. ined specimens of Ethiopian Calathus, including Calathus kebedei is also separated from C. theodori some types (C. theodori and Calathus orthomoides by differences in configuration of the pronotum Alluaud), provided by T. Deuve from the Muséum (Fig. 3A, B) and aedeagus (Fig. 4A, B). Calathus national d’Histoire naturelle, Paris (MNHN). kebedei can be separated from C. juan by the Specimens examined in the course of this study prosternal process, unbordered at the apex in the are deposited in the following collections: former but bordered at the apex in the latter. The dif- ferent configurations of the aedeagi are well marked MNCN Museo Nacional de Ciencias Naturales, between both species. Madrid, Spain Description. Length: 10.0–11.0 mm. Forebody RMCA Royal Museum for Central Africa, black, shiny, with antennae, palpi, legs, and lateral Tervuren, Belgium ’ margins of prothorax paler. Elytra black, shiny, but MNHN Muséum national d Histoire naturelle, with a faint bluish hue in males. Hind wings absent. Paris, France Dorsal habitus as in Fig. 1. Head: Antenna filiform PS Peter Schüle Collection, Herrenberg, with antennomeres 1 and 2 glabrous except for Germany the ordinary apical setae. Antennomere 3 covered We follow Puff and Neomissa (2005) in the with obliquely oriented pubescence except on basal descriptions of vegetation types. third. Other antennomeres with oblique pubescence. Cephalic chaetotaxy: 6 setae on labrum, lateral setae more elongate; 1 seta on both sides of clypeus; RESULTS 2 pairs of supraocular setae (anterior and posterior); Calathus kebedei Novoa, Gañán, and Baselga, posterior setae located behind posterior margin of new species eye. Thorax: Prothorax transverse, 1.5 times as (Figs. 1, 3A, 4A) broad as long, greatest width slightly before middle; disc divided lengthways by a medial sulcus, basally Type Locality. ETHIOPIA: Gojjam, Debre poorly marked; front angles little prominent; sides Markos at Danghle, near Robu Gebeya, Mt. Choke, rounded in anterior part, parallel-sided in basal third, 3,793 m altitude, 10°38′19″ N, 37°50′04″ E. slightly sinuate in front of well-marked, squared Type Material. Holotype: male, deposited in hind angles; latero-basal impression double, not MNCN; labelled: Ethiopia, Gojjam, Debre Markos punctate, outer impression shorter but well-delimited at Danghle, near Robu Gebeya, Mt.