"Morphology and cytology of four coffee spiders" by Izrael U. Sajise

Morphology and cytology of four coffee spiders

Date

10-1990

Degree

Bachelor of Science in Biology

Major Course

Major in Cell Biology

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Adelina A. Barrion

Abstract

Spiders collected from coffee plants along Los Banos and Bay, Laguna revealed the dominant occurrence of four jumping spiders such as Habrocestum sp.. Marpissa sp.. Phidippus sp. and Plexippus sp. The morphology and cytology of these four coffee spiders were determined. Hsbrocestum sp. possessed a diploid chromosome complement of 2n-38.Marpissa sp. had a chromosome number Of 2n-26,Phidippus sp. had 2n-34 and Plexippus sp. had a chromosome count of 2n-26.The sex determining mechanism of arpissa sp. was XX-XO type. Due to insufficient cytological evidences the sex determining mechanisms of the remaining three species was not determined.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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