A Revision of the Melanesian Wasps of the Genus Cerceris Latreille (Hymenoptera: Sphecidae)
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KARL V. KROMB. A Revision of the Melanesian Wasps of the Genus Cerceris Latreille (Hymenoptera: Sphecidae) SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY • 1969 NUMBER 22 SERIAL PUBLICATIONS OF THE SMITHSONIAN INSTITUTION The emphasis upon publications as a means of diffusing knowledge was expressed by the first Secretary of the Smithsonian Institution. In his formal plan for the Insti- tution, Joseph Henry articulated a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge not strictly professional." This keynote of basic research has been adhered to over the years in the issuance of thousands of titles in serial publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Annals of Flight Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to Paleobiology Smithsonian Contributions to Z°°l°iy Smithsonian Studies in History and Technology In these series, the Institution publishes original articles and monographs dealing with the research and collections of its several museums and offices and of professional colleagues at other institutions of learning. These papers report newly acquired facts, synoptic interpretations of data, or original theory in specialized fields. Each publica- tion is distributed by mailing lists to libraries, laboratories, institutes, and interested specialists throughout the world. Individual copies may be obtained from the Smith- sonian Institution Press as long as stocks are available. S. DILLON RIPLEY Secretary Smithsonian Institution SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY NUMBER 22 Karl V. Krombein A Revision of the Melanesian Wasps of the Genus Cerceris Latreille (Hymenoptera: Sphecidae) SMITHSONIAN INSTITUTION PRESS CITY OF WASHINGTON ABSTRACT Krombein, Karl V. A Revision of the Meianesian Wasps of the Genus Cerceris Latre- ille (Hymenoptera: Sphecidae). Smithsonian Contributions to Zoology, 22:1 -36. 1969.— In the Meianesian area, wasps of the sphecid genus Cerceris Latreille are known only from New Guinea and its offshore islands, the Bismarck Archipelago and Solomon Islands. Keys, descriptions, and illustrations are presented in this revisionary study of the following taxa: 9 cf Cerceris pictiventris immolator Smith, 1864; 9 C. cristovalensis, new species; 9 C. cyclops, new species; 9 C. papuensis, new species; 9 C. misoolensis, new species; 9 cf C. karimuiensis, new species; cf C. brandti, new species; 9 cf C. millironi millironi, new subspecies; 9 C. millironi tulagiensis, new subspecies; cf C. millironi malaitensis, new subspecies; 9 cf C. reicula, new species; 9 cf C. minuscula sculleniana, new subspecies; 9 C. minuscula Stanleyensis, new subspecies; cf C. minuscula korovensis, new subspecies; 9 C. vechti, new species; 9 cf C. venusta oceanica Brethes, 1920, new status (=C insulicola Tsuneki, 1968, new synonymy); 9 cf C. venusta keiensis Strand, 1911, new status; 9 cf C. venusta atrescens, new subspecies; 9 C. mordax, new species; 9 C. toxopeusi, new species; 9 C. vellensis vellensis, new subspecies; 9 cf C. vellensis obrieni, new subspecies; 9 cf C vellensis fordi, new subspecies; 9 C. vellensis segiensis, new subspecies; 9 cf C bougainvillensis solomonis, new subspecies; 9 cf C bougainvillensis lavellensis, new subspecies; 9 cf C. bougainvillensis novogeorgica, new subspecies; and C. bougainvillensis bougainvillensis Tsuneki, 1968, new status. Official publication date is handstamped in a limited number of initial copies and is recorded in the Institution's annual report, Smithsonian Year. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1969 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price 45 cents (paper cover) Karl V. Krombein A Revision of the Melanesian Wasps of the Genus Cerceris Latreille (Hymenoptera: Sphecidae) The Melanesian representatives of the cosmopolitan Bernice P. Bishop Museum, Honolulu, have done some wasp genus Cerceris have received virtually no atten- spendid collecting in many areas of New Guinea, the tion until this time. Smith (1864) described immolator Bismarck Archipelago, and Solomon Islands. The ac- from a single male collected by Wallace on the island cumulated materials from these collecting efforts, of Waigeu, Cameron (1906) described papuana from together with a few specimens from other sources, were a unique female collected at Manokwari, West New sufficient to permit the present preliminary revisionary Guinea, by one of the early Dutch expeditions, Strand effort treating some 28 Melanesian taxa, representing (1911) described venusta var. keiensis from a single fe- 16 different species. male from the Kei Islands, Brethes (1920) described oceanica from Yule Island, and Tsuneki (1968a) de- Distribution and Relationships scribed bougainvillensis from the Solomon Islands. In Within the Melanesian area wasps of the genus a review of the Javan species van der Vecht (1964) Cerceris are known from New Guinea and such off- synonymized papuana under immolator, so that only shore islands or island groups as Waigeu, Misool, Kei, four valid Melanesian taxa were recognized at the Am, and Schouten, from both New Britain and New time of my study. Ireland in the Bismarck Archipelago, and from all of Prior to World War II, Miss L. Evelyn Cheesman, the principal Solomon Islands with the exception of working at a number of localities in New Guinea, and Choiseul and Rennell. Their occurrence on the latter H. T. Pagden in the southern Solomon Islands, made two islands may be established when more thorough some very significant collections. During the war a collecting has been done; unquestionably, they must number of American entomologists, among them D. E. be present on Choiseul. The genus does not occur in Beck, W. G. Bodenstein, G. E. Bohart, J. G. Francle- New Caledonia, New Hebrides, or Fiji Islands; the mont, D. G. Hall, P. D. Hurd, Jr., K. V. Krombein, wasp fauna of these island groups has been investigated U. N. Lanham and H. E. Milliron, collected specimens quite thoroughly. at various localities in New Guinea and the Solomon The Melanesian taxa and their distribution within Islands. Since the war, J. L. Gressitt and a number of the area are as follows: associates, W. W. Brandt, E. J. Ford, Jr., T. C. Maa, 1. pictiventris immolator Smith—Waigeu, Schouten C. D. Michener, C. W. O'Brien, L. W. Quate, and Islands, throughout New Guinea, New Britain, J. and M. Sedlacek, working under the auspices of the New Ireland, Bougainville, Gizo, Santa Ysabel, Karl V. Krombein, Chairman, Department of Entomology, Smithsonian Guadalcanal, and Florida. Typical pictiventris Institution, Washington, D.C. 20560. Dahlbom occurs in Java, Sumatra, and Borneo; 1 SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY other subspecies occur in the northern Moluccas, 15c. vellensis fordi, new subspecies—Bougain- India, and Formosa. ville and Buka Islands. 2. cristovalensis, new species—San Gristoval in the 15d. vellensis segiensis, new subspecies—New Solomons. Georgia. 3. cyclops, new species—West New Guinea (Cyclops 16. bougainvillensis Tsuneki—Solomon Islands and Mountains). New Ireland in Bismarck Archipelago. 4. papuensis, new species—West New Guinea 16a. bougainvillensis solomonis, new sub- (Manokwari). species—Guadalcanal, Santa Ysabel. 5. misoolensis, new species—Misool Island. 16b. bougainvillensis lavellensis, new subspe- 6. karimuiensis, new species—northeastern New cies—Vella Lavella and Gizo. Guinea (Karimui). 16c. bougainvillensis novogeorgica, new sub- 7. brandti, new species—New Ireland. species—New Georgia. 8. millironi, new species—Solomon Islands. 16d. bougainvillensis bougainvillensis Tsuneki— 8a. millironi millironi, new subspecies—Guadal- Bougainville and Buka Islands, New canal, and possibly Santa Ysabel. Ireland. 8b. millironi tulagiensis, new subspecies— Of the taxa listed above, pictiventris immolator has Florida. its closest relatives in the Oriental region, whereas the 8c. millironi malaitensis, new subspecies— several subspecies of minuscula and venusta have their Malaita. closest relatives—the typical subspecies of each—in the 9. reicula, new species—New Guinea generally. Australian region. C. vechti is obviously rather closely 10. minuscula Turner—the typical subspecies occurs related to venusta, as is reicula to minuscula. in Australia. Little can be said as to the affinities of the remaining 10a. minuscula sculleniana, new subspecies— eleven Melanesian species. They are quite distinct, general in New Guinea, Nusa Island, however, from any of the species occurring in Australia, New Ireland, Buka Island in the Java, or the Philippines. Material is not available from Solomons. the Moluccas, Celebes, and Lesser Sunda Islands, but 10b. minuscula stanleyensis, new subspecies— it appears rather likely that most, if not all, of these Owen Stanley Mountains in Papua. eleven species will prove to be autochthonous Melane- 10c. minuscula korovensis, new subspecies— sian elements. Shorthand Island in the Solomons. Attention may be drawn to vellensis and bougain- 11. vechti, new species—northeastern New Guinea, villensis of the Solomon Islands, each of which is rep- Papua. resented by four subspecies based chiefly on differences