Figure 11a

Lab Staff



Hoddle Lab Staff




Ruth Amrich

Lab Assistant IV
Phone: 951-827-4360

Ruth attained her degree in Biology from California State University, San Bernardino in 1996. There she worked with Dr. Alexander Sokoloff with genetically mutated Tribolium species as a lab assistant maintaining colonies. She joined the Hoddle lab in 2001.

Through the years, Ruth has been involved in multiple projects with Dr. Hoddle: Avocado thrips Scirtothrips perseae (Thysanoptera: Thripidae) and its biocontrol agent Franklinothrips orizabensis Johansen (Thysanoptera: Aeolothripidae); the persea mite Oligonychus perseae Tuttle, Baker and Abatiello (Acari: Tetranychidae); Levuana iridescens Bethune-Baker (Lepidoptera: Zygaenidae); interbreeding capabilities between different populations of the bean thrips Caliothrips fasciatus (Pergande)  and the effects of cold storage on its survival and reproduction; the monitoring program  for  Rhychophorus ferrungineus  (Olivier) (Coleopetera: Curculionidae) incursion of Southern California.  Read more... 


Mike Lewis

Lab Assistant IV
Phone: 951-827-4360

Mike started with the Hoddle lab 2004, and helps with a number of support roles within the lab. In addition to managing the lab computer and tech network for the lab, he also serves as the Website Administrator for the Center for Invasive Species Research (CISR). He also contributes blog posts and photographs of the invasive species listed on the CISR site, as well as other related graphic materials, videos, still photographs and aerial drone media.

Mike provides support for many of the research projects within the Hoddle lab. Some of the research Mike has been involved in includes Brown Marmorated Stink Bug (Halyomorpha halys), glassy-winged sharpshooter (Homalodisca vitripennis), gold spotted oak borer (Agrilus auroguttatus), avocado thrips (Scirtothrips perseae), mealybugs (Pseudococcidae), Gonatocerus ashmeadi, persea mites (Oligonychus perseae), asian citrus psyllid, (Diaphorina citri), Diaphorencyrtus aligarhensis (Hymenoptera: Encyrtidae), tamarixia radiata, south american palm weevil, (Rhynchophorus palmarum), and argentine ants (Linepithema humile).

A gallery of some of Mike’s photography with the Center for Invasive Species can be found here

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