Image Number: 0002165

The cerci, located at the posterior end of the abdomen, are used to identify female Hydrellia. In H. pakistanae the cerci are distinctly L-shaped in contrast to H. balciunasi where the cerci are roughly triangular.
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Image location:
United States


Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Diptera
Suborder: Brachycera
Infraorder: Acalyptratae
Superfamily: Ephydroidea
Family: Ephydridae
Subfamily: Hydrelliinae
Tribe: Hydrelliini
Genus: Hydrellia
Subject: Hydrellia spp. Robineau-Desviody 1830


Kingdom: Plantae
Phylum: Magnoliophyta
Class: Liliopsida
Subclass: Alismatidae
Order: Hydrocharitales
Family: Hydrocharitaceae
Genus: Hydrilla
Subject: Hydrilla verticillata (L. f.) Royle
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Image uploaded:
Monday, January 1, 2001
Image last updated:
Saturday, January 23, 2016