Animal Sciences Commons^™

Laboratory Studies In Animal Diversity, Lee Kats, Cleveland Hickman, Susan Keen

Lee Kats

Laboratory Studies in Animal Diversity offers students hands-on experience in learning about the diversity of life. It provides students the opportunity to become acquainted with the principal groups of animals and to recognize the unique anatomical features that characterize each group as well as the patterns that link animal groups to each other.

Autotomy Of The Posterior Foot In Agaronia Propatula (Caenogastropoda: Olividae) Occurs In Animals That Are Fully Withdrawn Into Their Shells, Samantha D. Rupert, Winfried S. Peters

Winfried S. Peters

Description Of The Larva And Female Genitalia Of Trechus Gamae With Data On Its Ecology, Ana Reboleira, Vicente Ortuño

Ana Sofia P.S. Reboleira

The third instar larva and the female genitalia of Trechus gamae Reboleira et Serrano (Coleoptera Carabidae Trechini) are described, illustrated and commented. Larvae and imagos were collected in deep parts of caves from Estremenho karstic massif in the centre Portugal. The work provides the first study on hypogean beetle larvae from Portugal, increasing the knowledge about hypogean microendemic species from the Lusitanic district of the Iberian Peninsula. The morphological diagnostic characters of the female genitalia corroborate the inclusion of T. gamae in the “T. fulvus-group”. Some new data on the ecology of this species are also given.

On The Iberian Endemic Subgenus Lathromene (Coleoptera: Staphylinidae: Paederinae): Description Of The First Hypogean Domene Fauvel, From Portugal, Ana Reboleira, Fernando Gonçalves, Pedro Oromí

Ana Sofia P.S. Reboleira

Domene (Lathromene) lusitanica n. sp. from Sicó karstic massif in Portugal is described and compared with other species of the subgenus, representing the first hypogean rove beetle from mainland Portugal. A comparison between Domene lusitanica n. sp. and the other species of the Iberian endemic subgenus Lathromene is made using diagnostic characters. An identification key for the males of Lathromene species is presented, and biogeographical and ecological comments are also included. The species of Domene known from the Iberian Peninsula are listed and their distributions are mapped.

Intracellular Invasion Of Green Algae In A Salamander Host, Ryan Kerney, Eunsoo Kim, Roger Hangater, Aaron Heiss, Cory Bishop, Brian Hall

Ryan Kerney

The association between embryos of the spotted salamander (Ambystoma maculatum) and green algae (“Oophila amblystomatis” Lamber ex Printz) has been considered an ectosymbiotic mutualism. We show here, however, that this symbiosis is more intimate than previously reported. A combination of imaging and algal 18S rDNA amplification reveals algal invasion of embryonic salamander tissues and cells during development. Algal cells are detectable from embryonic and larval Stages 26–44 through chlorophyll autofluorescence and algal 18S rDNA amplification. Algal cell ultrastructure indicates both degradation and putative encystment during the process of tissue and cellular invasion. Fewer algal cells were detected in later-stage larvae …

Symbioses Between Salamander Embryos And Green Algae, Ryan Kerney

Ryan Kerney

The symbiosis between Ambystoma maculatum (spotted salamander) embryos and green algae was initially described over 120 years ago. Algae populate the egg capsules that surround individual A. maculatum embryos, giving the intracapsular fluid a characteristic green hue. Early work established this symbiosis to be a mutualism, while subsequent studies sought to identify the material benefits of this association to both symbiont and host. These studies have shown that salamander embryos benefit from increased oxygen concentrations provided by their symbiotic algae. The algae, in turn, may benefit from ammonia excreted by the embryos. All of these early studies considered the associ- …