We report the discovery of the wasp Tachinobia repanda Bouček collected from egg sacs of the colonial spider Cyrtophora moluccensis (Doleschall) in Morobe Province, Papua New Guinea (PNG) by Lubin, Y.D. in 1980. This is the first record of T. repanda from egg sacs of a colonial spider. The likely host of this eulophid wasp was the larvae of a sarcophagid fly that parasitizes the egg sacs of these spiders. The 67 T. repanda collected were all females and varied little in body size. We suggest that this species is a gregarious hyperparasitoid.
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http://dx.doi.org/10.1093/jisesa/ieaa104 | DOI Listing |
MicroPubl Biol
January 2025
Shimane University, Matsue, Shimane, Japan.
Although cephalopods are primarily polyandrous, genetic evidence revealed rare monogamy in . Here, we studied the sister species . We found that copulation began in early July, with egg spawning occurring in early August.
View Article and Find Full Text PDFEnviron Pollut
February 2025
Department of Ecology, University of Brasília, Brazil. Electronic address:
Active pharmaceutical ingredients, such as levonorgestrel (LNG), continue to increase in aquatic ecosystems and are detected in environmental matrices; however, their ability to bioaccumulate and cause reproductive, developmental, and biochemical defects in benthic organisms, such as Macrocyclops albidus, is unknown. This study investigated the effects of LNG on the oxidative stress response, reproduction, and development of M. albidus.
View Article and Find Full Text PDFJ Arachnol
April 2024
University Instrumentation Center, University of New Hampshire, Parsons Hall W123, 23 Academic Way, Durham, New Hampshire 03824, USA.
As in other Palpimanidae, two pairs of posterior spinnerets present in typical Araneomorphae are vestigial in Kulczyński, 1909, with only the anterior lateral spinneret (ALS) pair prominent. Nevertheless, in late juvenile and adult females, spigots appear in the ancestral posterior spinneret region (PS). Consistent with these spigots serving cylindrical silk glands, females construct substantial egg sacs.
View Article and Find Full Text PDFZool Stud
April 2024
Laboratorio de Entomología General y Aplicada, Centro de Investigación de Estudios Avanzados del Maule, Universidad Católica del Maule, Avenida San Miguel, 3605, Talca, Chile. E-mail: (Pádua); (Araujo).
Flesh flies (Diptera: Sarcophagidae) exhibit a wide range of feeding habits including necrophagy, coprophagy, kleptoparasitism, parasitism, and predation. Among them are species of Meigen belonging to the subgenera Lopes and Enderlein that are specialized predators of spider eggs. These flies hover around spider webs and lay their larvae on the spider egg sac.
View Article and Find Full Text PDFAnal Chem
August 2024
Environmental NMR Center, University of Toronto, 1265 Military Trail, Toronto, Ontario M1C 1A4, Canada.
The excellent versatility of 5-axis computer numerical control (CNC) micromilling has led to its application for prototyping NMR microcoils tailored to mass-limited samples (reducing development time and cost). However, vibrations during 5-axis milling can hinder the creation of complex 3D volume microcoils (i.e.
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