Life History of Nanos viettei(Paulian, 1976) (Coleoptera: Scarabaeidae: Canthonini), a Representative of an Endemic Clade of Dung Beetles in Madagascar

2009 ◽  
Vol 63 (3) ◽  
pp. 265-288 ◽  
Author(s):  
Heidi Viljanen
Keyword(s):  
Life History ◽  
Dung Beetles ◽  
History Of

SPARASSODONTA (METATHERIA) COPROLITES FROM THE EARLY-MID MIOCENE (SANTACRUCIAN AGE) OF PATAGONIA (ARGENTINA) WITH EVIDENCE OF EXPLOITATION BY COPROPHAGOUS INSECTS

Palaios ◽  
2019 ◽  
Vol 34 (12) ◽  
pp. 639-651
Author(s):  
RODRIGO L. TOMASSINI ◽  
CLAUDIA I. MONTALVO ◽  
M.SUSANA BARGO ◽  
SERGIO F. VIZCAÍNO ◽  
JOSÉ I. CUITIÑO
Keyword(s):  
Life History ◽  
Small Mammals ◽  
Trophic Interactions ◽  
Middle Miocene ◽  
Dung Beetles ◽  
Santa Cruz ◽  
Size And Shape ◽  
History Of ◽  
Bone Remains

ABSTRACT Coprolites are a useful tool to obtain information related to the life history of the producer, trophic interactions, biodiversity, paleoenvironments, and paleoclimate, among other issues. We analyze here a sample of 111 coprolites recovered from levels of the Santa Cruz Formation (lower–middle Miocene, Burdigalian–early Langhian), outcropping in different localities of the Santa Cruz Province, Patagonian Argentina. Based on size and shape, two morphotypes were identified: coprolites assigned to morphotype I vary from ovoid to subspherical in shape, while coprolites assigned to morphotype II are cylindrical in shape. Several coprolites have bone and teeth inclusions belonging to small mammals (i.e., Octodontoidea and/or Chinchilloidea rodents). Morphometry, composition, and taphonomy of the bone remains suggest that the coprolites were produced by carnivorous mammals. According to the features of the guild of carnivorous mammals from the Santa Cruz Formation, we interpret that hathliacynids and/or small borhyaenoids (Sparassodonta) are the most probable producers. Different traces recorded in the coprolites, such as borings and putative eggs, suggest that the feces were exploited by coprophagous insects, probably dung beetles, for different purposes such as feeding and possible oviposition.

scholarly journals Dung Beetles Help Keep Ecosystems Healthy

2021 ◽  
Vol 9 ◽  
Author(s):  
Paul Manning ◽  
Xin Rui Ong ◽  
Eleanor M. Slade
Keyword(s):  
Life History ◽  
Plant Growth ◽  
Tropical Forests ◽  
Dung Beetles ◽  
Agricultural Ecosystems ◽  
History Of

Dung beetles are a group of insects that primarily use the dung (poop) of mammals for feeding and nesting. These beetles are important for the breakdown and recycling of dung into the soil, enabling the nutrients in the dung to cycle through the ecosystem. Dung beetles provide many benefits for the health and functioning of both natural and human-modified ecosystems, such as dispersing seeds, reducing livestock parasites, and promoting plant growth. In this article, we will explore the basic life history of dung beetles. We then dig a little deeper into the importance of dung beetles within tropical forests and agricultural ecosystems.

Experimental life history of Echinostoma cinetorchis

1990 ◽  
Vol 28 (1) ◽  
pp. 39 ◽  
Author(s):  
S H Lee ◽  
J Y Chai ◽  
S T Hong ◽  
W M Sohn
Keyword(s):  
Life History ◽  
History Of

Queering Gender Identity Work: A Life History of a Black Transgender Woman

2018 ◽  
Vol 5 (1) ◽  
Author(s):  
Esethu Monakali
Keyword(s):  
Life History ◽  
Gender Identity ◽  
Public Spaces ◽  
Identity Work ◽  
Social Identities ◽  
Gender And Sexuality ◽  
Ongoing Effort ◽  
History Of ◽  
The Individual

This article offers an analysis of the identity work of a black transgender woman through life history research. Identity work pertains to the ongoing effort of authoring oneself and positions the individual as the agent; not a passive recipient of identity scripts. The findings draw from three life history interviews. Using thematic analysis, the following themes emerge: institutionalisation of gender norms; gender and sexuality unintelligibility; transitioning and passing; and lastly, gender expression and public spaces. The discussion follows from a poststructuralist conception of identity, which frames identity as fluid and as being continually established. The study contends that identity work is a complex and fragmented process, which is shaped by other social identities. To that end, the study also acknowledges the role of collective agency in shaping gender identity.

Sign in / Sign up

Export Citation Format

Share Document