A scalable and modular LED illumination dome for microscopic scientific photography is described and illustrated, and methods for constructing such a dome are detailed. Dome illumination for insect specimens has become standard practice across the field of insect systematics, but many dome designs remain expensive and inflexible with respect to new LED technology. Further, a one-size-fits-all dome cannot accommodate the large breadth of insect size encountered in nature, forcing the photographer to adapt, in some cases, to a less than ideal dome design. The dome described here is scalable, as it is based on a isodecahedron, and the template for the dome is available as a downloaded file from the internet that can be printed on any printer, on the photographer’s choice of media. As a result, a photographer can afford, using this design, to produce a series of domes of various sizes and materials, and LED ring lights of various sizes and color temperatures, depending on the need.
ABSTRACT. Survey of the hymenopterous parasitoids (Insecta, Hymenoptera) from the Parque Estadual da Fonte Grande, Vitória, ES, Brazil. Parasitoids Hymenoptera were collected in a trail inside the Parque Estadual da Fonte Grande (20º17'51.7''S; 40º20'13.1''W), located in an area of the Atlantic Forest, during the period of June 2000 to July 2001. A total of 4,595 specimens, belonging to 28 families, have been collected. Braconidae, Eulophidae, and Scelionidae, were the most common families, with relative abundance of 22.5%, 14.32%, and 13.12%, respectively. Sixteen families showed the relative frequency lower than 1%. A preliminary list with 47 genera of some of the families is included.
The world fauna of the flat wasps (Bethylidae) is represented by about 3,000 valid species. The skeletal morphology of bethylids is still not adequately understood and the terminology is generally not standardized between its internal taxa and with other Hymenoptera families. The same scenario exists in most of the families in this order. To address this problem, we describe the external skeletal morphology of Bethylidae. We review the terms used to describe skeletal features in the Hymenoptera in general and a consensus terminology is proposed for Bethylidae, which is linked to the online Hymenoptera Anatomy Ontology. The morphology of the studied specimens is illustrated with photos and line drawings. We also discuss the morphological variation at both subfamilial and generic ranks. Our analyses challenge hundreds of inappropriate, confused or imprecise terms traditionally used for Hymenoptera morphology. As a result, we have applied hundreds of updates of the terminology available online at the Hymenoptera Anatomy Ontology.
Alobevania Kawada & Deans, n. gen., and three new ensign wasps, A. gattiae Kawada & Deans, n. sp., A. tavaresi Kawada & Deans, n. sp., and A. longisaeta Kawada & Deans, n. sp. are described from specimens collected in the Neotropics. A key to species and discussion of how this previously undescribed lineage fits within Evaniidae are provided. This taxonomic effort is greatly enhanced by the integration of numerous Web resources: a) an ontology of Hymenoptera morphology, b) annotations and collections of images archived in Morphbank, c) descriptive species pages at Evanioidea Online, d) Web-based multi-entry and bifurcating diagnostic keys at Evanioidea Online, e) taxon pages at the Tree of Life Web Project, f) registration of taxa, authors, taxonomic references, and specimens at ZooBank and assignment of Life Science Identifiers (LSIDs), g) georeferencing of all specimen localities, with downloadable KML files, h) manuscript is marked up using TaxonX and is available through Plazi.
Some authors in the past based their conclusions about the limits of the metapostnotum of Chrysidoidea based on the position of the mesophragmo-metaphragmal muscle, rather than aspects of the skeleton and musculature associated with the metapectal-propodeal complex. The latter character system suggests another interpretation of the metapostnotum delimitation. Given this scenario, the main goal of this work is to present a new perspective on the metapostnotum in Chrysidoidea, especially Bethylidae, helping to resolve questions related to the evolution of the metapostnotum. This is based on homologies established by associating of insertion points of ph2-ph3 and ph3-T2 muscles with the delimitation of the respective sclerite the muscles insert into. Our results indicate that, according the position of the metaphragmal muscles, the metapostnotum in Bethylidae is medially expanded in the propodeal disc and has different forms of configuration. Internally, the limits of the metapostnotum can be tracked by the shape of the mesopostnotum, and vice versa. Thus, the anteromedian area of the propodeal disc sensu Evans was reinterpreted in the current study as the metapostnotum. In conjunction with associated structures, we provide evidence to clarify the relationships between the families within Chrysidoidea, although certain families like Embolemidae, Dryinidae and Chrysididae exhibit extreme modifications of the condition found in Aculeata, as observed in Bethylidae. We review the terminology used to describe anatomical features on the metapectal-propodeal complex in Bethylidae in general, and provide a list of recommended terms in accordance with the online Hymenoptera Anatomy Ontology. The morphology of the studied subfamilies are illustrated. Studies that focus on a single structure, across a larger number of taxa, are more insightful and present specific questions that can contribute to broader issues, thus providing a better understanding of the morphology and evolution of insects.
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