The biology and ecology of Ochrimnus mimulus (Stal, 1874) : an assessment of its coevolution with Baccharis in Brazos County, Texas /

0. mimulus is host specific for Baccharis and extremely

Bibliographic Details
Main Author: Gould, Georgianna Grimshaw
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:0. mimulus is host specific for Baccharis and extremely
adults aggregate when disturbed, and they exude a
and in dichotomous choice oviposition experiments. 0.
annual cycle that tightly corresponds to reproductive
appear specifically adapted for Baccharis dwelling. The
are described as they relate to its host plant,
are found from October through December, and from
attempt. It is clear that the insect uses volatile
avoidance of 0. mimulus after an initial feeding
Baccharis spp. The ecological association between 0.
Baccharis. A coevolutionary relationship between 0.
behavior in 0. mimulus demonstrate that its coloration
carolinensis and these lizards displayed learned
chemical deterrents, possibly ones derived from
described along with their stadia and phenology.
distinctive odor. The insect was distasteful to Anolis
egg and first through fifth instars of 0. mimulus are
events in the plant's life cycle. The average
factors are combined there is an interactive effect.
Food availability also influences the stadia of 0.
gathering in hibernaculae. The seed feeding habit of
host specific for asteraceous plants, both in the field
in Brazos County, Texas is 165 in September, 101 in
is utilized in an aposematic display. Both nymphs and
January until August the insect leaves the plant, often
life cycle correspondence and insect host specificity.
many of the observed results.
mimulus and Baccharis is a plausible explanation for
mimulus and Baccharis was examined to determine temporal
mimulus nymphs. Field observations of anti-predator
mimulus population size and constitution fluctuate on an
numerous on Baccharis in September, adults and nymphs
October and 64 in November. 0. mimulus adults are
oviposition in 0. mimulus females, and when these
Photoperiod and food availability both influence
population size of adult 0. mimulus per Baccharis bush
The biology, ecology and behavior of Ochrimnus mimulus
the insect, its oviposition behavior and egg shape
Item Description:"Major subject: Zoology".
Vita.
Physical Description:x, 160 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.