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Species Luridiblatta trivittata

Friend or foe? - Luridiblatta trivittata Friendly Cockroach - Luridiblatta trivittata Phyllodromica trivittata in Benicia, CA - Luridiblatta trivittata Small brown and yellow bug found indoors and in garden - Luridiblatta trivittata Cockroach? - Luridiblatta trivittata What type of insect is this? - Luridiblatta trivittata Blattella vaga? - Luridiblatta trivittata Unknown insect - Luridiblatta trivittata
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Blattodea (Cockroaches and Termites)
Superfamily Blaberoidea
Family Ectobiidae
Subfamily Ectobiinae
Genus Luridiblatta
Species trivittata (Luridiblatta trivittata)
Synonyms and other taxonomic changes
=Phyllodromica trivittata
Identification
Adults are small and possibly flightless, female wings highly reduced, male wings are somewhat short and do not cover abdomen. Females are often found carrying oothecae, (egg cases) as demonstrated by this individual:
Range
native to the Mediterranean, adventive in our area (CA, recently introduced)(1)(2), now apparently in Marin, Petaluma and Cotati.
Habitat
Reports of high abundance both indoors and outdoors make it likely that reproduction is occurring outdoors with subsequent invasion of nearby structures. As this species adapts to this new environment, studies will need to be conducted to confirm this.
Remarks
Known from dry habitats around the Mediterranean. It has been recorded from Morocco; Algeria; Spain; Italy (Sardinia Island); Italy (Sicily); Libya; and Israel. Given that it has not been recorded as being a pest in buildings in those countries (as far as I'm aware) it is unlikely to invade buildings in the USA. Comment by George Beccaloni (The Natural History Museum, London, UK).
Works Cited
1.Beccaloni G.W. (2007-) Cockroach species file online. Version 5.0
2.California plant pest & disease report, Vol. 25 (Jan 2008 through Dec 2009)
Gaimari S., O’Donnell M., eds. 2011. California Department of Food & Agriculture, Plant Pest Diagnostics Branch. 108 pp.