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      Brood success of the mud-daubing wasp Sceliphron jamaicense (Hymenoptera: Sphecidae) in a desert environment Translated title: Éxito de anidación de la avispa lodera Sceliphron jamaicense (Hymenoptera: Sphecidae) en un ambiente desértico

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          Abstract

          Abstract: Examination of old Sceliphron jamaicense (Fabr.) nests at 4 localities near the tip of the Baja California peninsula showed levels of brood success (i.e., the fraction of fully provisioned, closed cells producing viable adult offspring) between 24.6% and 58.1% per site. Failure was predominantly at the pupal stage at all localities. Successful cells are commonly reutilized by other solitary wasps, primarily Trypoxylon (Trypargilum) dubium Coville and Chalybion californicum (Sassure, 1867). There is a pronounced clumping tendency in successes and failures among nests.

          Translated abstract

          Resumen: Se llevó a cabo la revisión de nidos de Sceliphron jamaicense (Fabr.) en 4 localidades hacia el extremo austral de la península de Baja California. Las crías de las celdas mostraron niveles de éxito variable (i.e., la proporción de celdas cerradas y provistas con arañas que contenían adultos viables), entre 24.6% y 58.1%, según la localidad. Los fracasos se presentaron generalmente en estado de pupa. Las celdas exitosas a menudo son reutilizadas por otras avispas solitarias, sobre todo por Trypoxylon (Trypargilum) dubium Coville y Chalybion californicum (Sassure). Los éxitos y fracasos de la progenie demostraron un patrón de agregación entre los nidos.

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          Florística de la Selva Baja Caducifolia de la Península de Baja California, México

          Los objetivos de este trabajo fueron integrar el listado florístico de la selva baja caducifolia en la península de Baja California y delimitar su presencia. Esta comunidad vegetal ocupa una superficie de 3,325 km² en el extremo sur peninsular, que se ha propuesto como la versión más seca de las selvas bajas en México. Después de décadas de esfuerzos, actualmente se considera que su composición florística está adecuadamente representada en el herbario del Centro de Investigaciones Biológicas del Noroeste. El listado cuenta con 645 taxa de plantas superiores y de ellos 37 son endémicos. Con base en muestreos de campo, se discute la composición florística de los dominantes ecológicos de esta comunidad. Sobresale Lysiloma microphyllum como especie indicadora de este tipo de vegetación. En el análisis de las formas de crecimiento, se resalta el de las trepadoras, cuyo número es similar al registrado para el desierto Sonorense y comunidades contiguas, pero notablemente inferior al de otras selvas bajas caducifolias del sur de México.
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            The natural history of the mud-dauber wasp Sceliphron fistularium (Hymenoptera: Sphecidae) in southeastern Brazil.

            Nests of Sceliphron fistularium were obtained in Colombia and Moji Guaçu, São Paulo, Brazil. Complete nests consisted of 1 to 54 sausage-shaped cells, arranged side by side along a horizontal axis, and found attached to electrical wires (Colombia, n = 7) and walls (Colombia, n = 4 and Moji Guaçu, n = 4). The number of cells per nest ranged from 1 to 54, their length varying from 20.8 to 29.7 mm, and their diameter from 7.6 to 11.7 mm. Brood cells were provisioned with spiders of the family Araneidae. Only Alpaida veniliae was collected in Colombia, whereas the most frequent species found in Moji Guaçu was Micrathena swainsoni (62.0%) followed by M. acuta (23.3%). Adults emerged from June to October. The length and diameter of female and male cells were similar. Nevertheless, females were significantly larger than males. The sex ratio of individuals obtained from nests was 1.16 females: 1 male. A life table was constructed, and details of the life cycle of the wasps and parasitoids are presented. The most common mortality factors were either unknown or due to the parasitoid wasp Melittobia sp.
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              The Biology of the Vespidae, Pompilidae, and Sphecidae (Hymenoptera) from Trap Nests in Northwestern Ontario

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México, DF, Mexico )
                1870-3453
                2007-8706
                2018
                : 89
                : 2
                : 466-470
                Affiliations
                [1] orgnameUniversity of the West Indies orgdiv1Department of Life Sciences Trinidad and Tobago
                [2] La Paz orgnameInstituto Politécnico Nacional orgdiv1Centro de Investigaciones Biológicas del Noroeste, S.C. orgdiv2Laboratorio de Aracnología y Entomolología Mexico
                Article
                S1870-34532018000200466
                10.22201/ib.20078706e.2018.2.2416
                e99053bb-afc1-4423-987c-fb84f8cd2866

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 03 August 2017
                : 21 January 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 5
                Product

                SciELO Mexico


                Sceliphron jamaicense,Sphecidae,Araneae,Baja California Sur,México,Brood success,Mexico,Éxito de anidación

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