February 8 handout

February 8 handout - Conditions Favoring Communal Breeding in Lasioglossum hemichalceum The egg to adult development time is long(about six weeks

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
2/7/2012 1 Conditions Favoring Communal Breeding in Lasioglossum hemichalceum • The egg to adult development time is long (about six weeks) • Foraging is very risky so that the life expectancy of a forager is less than half of the egg to adult development time • Orphaned brood is vulnerable to catastrophic predation by ants Degrees of Sociality for Insects Solitary Subsocial - adults care for young Subsocial I - mother and daughters live in same nest Subsocial II – as above; and cooperate Parasocial Communal - adults of one generation use a composite nest Quasisocial - " " and cooperate in brood care Semisocial - same as quasisocial but some work and others reproduce (castes) Eusocial - cooperative brood care, reproductive castes, overlap of generations
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2/7/2012 2 Degrees of Sociality for Insects Solitary Subsocial - adults care for young Subsocial I - mother and daughters live in same nest Subsocial II – as above; and cooperate Parasocial Communal - adults of one generation use a composite nest Quasisocial - " " and cooperate in brood care Semisocial - same as quasisocial but some work and others reproduce (castes) Eusocial - cooperative brood care, reproductive castes, overlap of generations Eusociality • Honeybee is the classic model
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/21/2012 for the course ENTOMOLOGY 104 taught by Professor Lewis during the Spring '12 term at UC Davis.

Page1 / 10

February 8 handout - Conditions Favoring Communal Breeding in Lasioglossum hemichalceum The egg to adult development time is long(about six weeks

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online