Habitat Selection and the Life History of a Desert Spider, Stegodyphus lineatus (Eresidae)

10.2307/5366 ◽  
1993 ◽  
Vol 62 (2) ◽  
pp. 353 ◽  
Author(s):  
David Ward ◽  
Yael Lubin
Keyword(s):  
Life History ◽  
Habitat Selection ◽  
History Of

Relationships between size of stream insects and current velocity

1978 ◽  
Vol 56 (2) ◽  
pp. 178-186 ◽  
Author(s):  
William P. Kovalak
Keyword(s):  
Life History ◽  
Habitat Selection ◽  
Dry Weight ◽  
Growth Cycle ◽  
Head Width ◽  
Differential Growth ◽  
Growth Cycles ◽  
Frequency Distributions ◽  
Stream Insects ◽  
History Of

Size frequency distributions and dry weight – head width relationships for six insect species from two habitats with differing current velocities in the Pigeon River, Michigan, were compared. Early in their growth cycles, Ephemerella subvaria, Ephemerella lata, Rhithrogena jejuna, and Glossosoma nigrior generally were larger at the slow station, but near the end of the growth cycles they generally were larger at the fast station. For Paraleptophlebia mollis, early in the growth cycle size differences between stations were small but near the end of the growth cycles nymphs were larger at the fast station, whereas nymphs of Ephemerella deficiens were slightly larger at the slow station throughout the growth cycle. Larger size at the slow station probably was due to differential growth whereas larger size at the fast station probably was due to differential habitat selection controlled by oxygen requirements.There were no significant differences in dry weight – head width relationships between habitats or between sexes. Sex ratios generally were similar at the two stations and did not deviate appreciably from 50:50.The life history of each species is briefly described.

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.

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