THE GENUS CALOSOMA~IN-CEN- TRAL AMERICA, THE ANTILLES, ;-0:SAND fSOUTH :AMERICA 0(COLEOPTERA, CARABIDAE)- TATIANA GIDASPOW BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY VOLUME 124: ARTICLE 7 NEW YORK: -1963 THE GENUS CALOSOMA IN CENTRAL AMERICA, THE ANTILLES, AND SOUTH AMERICA (COLEOPTERA, CARABIDAE) THE GENUS CALOSOMA IN CENTRAL AMERICA, THE ANTILLES, AND SOUTH AMERICA (COLEOPTERA, CARABIDAE) TATIANA GIDASPOW Department of Entomology The American Museum of Natural History BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY VOLUME 124 : ARTICLE 7 NEW YORK: 1963 BULLETIN OF THE AMERICAN MUSEUM OF NATURAL HISTORY Volume 124, article 7, pages 275-314, figures 1-88, tables 1, 2 Issued March 18, 1963 Price: $1.00 a copy INTRODUCTION THE PRESENT REVIEW includes the species of localities given by these authors were limited the genus Calosoma to be found in South and often referred to the country as a whole. America, the Antilles, the Galapagos Islands, In the last 22 years a great deal of additional and Central America south of Mexico. I have information about the distribution of the provided keys for the identification of all species and the variations of local forms has subgenera and species, and all taxa are rede- become available. scribed with the exception of those that were A total of 1919 specimens has been ex- redescribed in the paper on the Calosoma of amined, including the types in the Chaudoir North America (Gidaspow, 1959). For a his- and Dejean collections, except for Calosoma tory of the genus and a discussion of charac- bridgesi Chaudoir which I could not locate ters, see my earlier report (Gidaspow, 1959). during my visit to Paris. Although 69 species of Calosoma (in 12 subgenera) are known from North America, ACKNOWLEDGMENTS only 16 occur in South America, of which 11 I am greatly indebted to Mrs. Charles species are found on the mainland, two on the Vaurie, Research Associate in the Depart- Galapagos Islands, and three in the West ment of Entomology of the American Mu- Indies. They belong to seven different sub- seum of Natural History, for numerous sug- genera, but most are in the subgenus Castrida gestions and for the many hours that she has (10 species). All the species of Castrida, ex- devoted to the critical reading of my paper. cept sayi, live in South America. I am also grateful to Dr. Jerome G. Rozen, A few northern species of Calosoma pene- Jr., Chairman of the Department of Ento- trate to the West Indies and Central America, mology, the American Museum of Natural or even to northern South America. Calosoma History, and to Dr. Mont A. Cazier, former (Calodrepa) scrutator, for instance, which is Chairman of the department, for their kind common in the United States, occurs in permission to study the collections of the Guatemala and Venezuela, as does the Mex- Museum, and for aid that they have rendered. ican species Calosoma (Carabosoma) angula- I wish to express my thanks to the follow- tum. The range of Calosoma (Camegonia) ing people for permitting me to study the marginalis extends from the southwestern collections in their care: Dr. P. J. Darlington, United States to Mexico and Costa Rica, and Jr., of the Museum of Comparative Zo6logyof Calosoma (Calodrepa) aurocinctum, a Mexican Harvard College; Mr. H. B. Leech of the species, is found as far south as Nicaragua. California Academy of Sciences; Dr. S. H. But only one South American species, alter- Dybas of the Chicago Natural History Mu- nans, ranges northward as far as southern seum; Dr. G. E. Wallace of the Carnegie Mexico. Museum in Pittsburgh, Pennsylvania; Dr. H. The species of Calosoma are well adapted to Freude of the Zoologische Sammlung des different climates, for the same species are Bayerischen Staates in Munich, Germany; found in the equatorial regions as in the cooler Dr. F. Lane of the Departamento de Zoologia provinces of Argentina. Some species, such as in Sao Paulo, Brazil; Mr. J. W. McReynolds argentinense and vagans, prefer cooler regions; of Nevada, Missouri; Dr. Fernando de Zayas the latter extends southward to the Strait of of Cuba; Dr. W. W. Gibson, Rockefeller Magellan and also lives in the Andes where Foundation Agricultural Program in Mexico; the winters are quite severe. Most species of and Mr. R. Benard of the Museum National the subgenus Castrida inhabit arid regions of d'Histoire Naturelle, Paris. Dr. E. B. Britton brushwood and desert scrub. of the British Museum (Natural History), Although the South American species of London, sent me the description and the Calosoma were included in the works of drawings of the type of Calosoma galapage- Breuning (1927) and Jeannel (1940), the 'um. 279 SYSTEMATIC ACCOUNTS GENUS CALOSOMA WEBER SUBGENUS CARABOSOMA GfHIN KEY TO THE SUBGENERA OF THE Carabosoma GEHIN, 1885, p. 32. Type: Calo- GENUS Calosoma soma angulatum Chevrolat. 1. Metepisternum distinctly longer than wide KEY TO THE SUBSPECIES OF Calosoma (figs. 13, 15, 16, 19, 20, 21); wings well (Carabosoma) angulatum CHEVROLAT developed ............ 2 Elytra with deep striae; interstices scaly from Metepisternum not longer than wide (figs. apex to base; smaller, length, 24-29 mm. South 12, 17); wings rudimentary or absent. 6 America . angulatum angulicolle Chaudoir 2(1). Middle tibiae in both sexes straight; pro- Elytral interstices scaly at basal part, smoother notum with angular sides, without basal toward apex; larger, length, 24-33 mm. Mex- setae; color black or dark brown . 3 ico... angulatum angulatum Chevrolat Middle tibiae arcuate, especially in male; pronotum, although in some species Calosoma (Carabosoma) angulatum angulicolle strongly arcuate, not angular on sides; Chaudoir color usually different, but, if dark brown, Figure 1 then basal setae of pronotum present . 5 3(2). Elytra with deep striae and convex, scaly Calosoma angulicolle CHAUDOIR, 1869, p. 377. interstices; pronotum with pointed side Type locality: Santa Marta, Colombia. angles. Carabosoma Gehin Although Jeannel (1940) considered anguli- Elytra with shallow, punctate striae, or colle to be a distinct species, it is at most a with sparse, large punctures connected by subspecies of Mexican angulatum. There is deep creases; interstices flat; side angles some difference in size (average length of of pronotum rounded ..... 4 angulicolle, 25.7 mm.; range, 24-27 mm.; 4(3). Elytra at base with sparse, large punctures and deep creases; head also with large average length of angulatum, 27.4 mm.; punctures; metatrochanter without seta range, 24-33 mm.). Further, the elytra of .................CamegoniaLapouge angulicolle are normally more scaly and in Elytra at base scaly; head with fine, dense some specimens have deeper striae. punctation; metatrochanter with seta The difference in the form of pronotum .Camedula Motschulsky cited by Jeannel (1940, pp. 200, 201, 203, 5(2). Pronotum without basal setae, metallic figs. 160, 164) is an infrasubspecific variation. green or navy blue, with golden margin; There is also no difference in the punctation elytra green or brownish, with green lus- of the head or in the blue-green luster on the ter . Calodrepa Motschulsky elytral margin. The majority of fresh South Pronotum with basal setae, or, if absent, American specimens (angulicolle) have a shin- then elytra either light brown or bluish green. Castrida Motschulsky (in part) ing luster on the elytral margin that is lost 6(1). Metatrochanter with seta; elytra brown, on worn beetles, as is' true of the Mexican without metallic luster, very smooth. forms. Length, about 20 mm.. MATERIAL EXAMINED: Thirty specimens of Neocalosoma Breuning angulicolle and 450 of angukltum. Metatrochanter without seta; elytra cop- pery or bronze, with metallic luster; SUBGENUS CAMEGONIA LAPOUGE usually smaller than 20 mm.. 7 Camegonia LAPOUGE, 1924, p. 38. Type: Calo- 7(6). Metepisternum square (fig. 12), wingless; soma prominens LeConte. pronotum without setae; elytra coppery or yellow, with green tint . Calosoma (Camegonia) marginalis Casey ..............MicrocalosomaBreuning Calosoma marginalis CASEY, 1897, p. 340. Type Metepisternum slightly longer than wide locality: "Arizona?" (figs. 14, 17, 18) wings rudimentary; pro- Calosoma (Carabosoma) lecontei CSIKI, 1927, p. notum with middle and often basal setae; 21; new name for lugubre LeConte, 1835, p. 400, elytra black or brown, with green or blue preoccupied by lugubre Motschulsky. Type local- luster. Castrida Motschulsky (in part) ity: Braunfels, Texas. 280 1963 GIDASPOW: CALOSOMA 281 FIG. 1. Distribution of Calosoma (Carabosoma) angulatum angulicolle Chaudoir, C. (Camedula) glabratum Dejean, C. (Calodrepa) scrutator Fabricius, C. (Castrida) rufipenne Dejean, and C. (Castrida) trapezipenne Chaudoir. 282 BULLETIN AMERICAN MUSEUM OF NATURAL HISTORY VOL. 124 This is primarily a North American species with large punctures on the apex, bearing of the western and southwestern United short hair as in peregrinator, but not on States, but it also occurs in Mexico and, entire segment as in that species. Penis not occasionally, in Costa Rica. From the last- so wide as that of peregrinator, but with same named country I have seen two specimens. broadly rounded tip; hook on inner armature with long neck (fig. 56); leaf-like process of SUGBENUS CAMEDULA MOTSCHULSKY female genitalia not so pointed as that of Camedula MOTSCHULSKY, 1865, p. 303. Type: peregrinator. Metatrochanter in both sexes Calosoma glabratum Dejean. with rounded tip and seta; anterior tarsi of male dilated, and all three segments with Calosoma (Camedula) glabratum Dejean dense brush underneath; all tibiae straight, Figures 1, 56 as usual in subgenus Camedula. Calosoma glabratum DEJEAN, 1831, p. 565. Type Length, 18.5 mm.; width, 8-10.5 mm. locality: Colombia. DISTRIBUTION: Northern South America, Carabosoma bolivianum GEHIN, 1885, p. 65. around Bogota and Pandi in Colombia, on Type locality: Bolivia. grassland and cultivated fields (fig. 1). Ac- DESCRIPTION: Resembling peregrinator cording to Breuning (1927) and Jeannel (United States and Mexico), but smaller and (1940), also in Panama, Peru, and Bolivia. more brownish.