| Arima marginata | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Chrysomelidae |
| Subfamily: | Galerucinae |
| Genus: | Arima |
| Species: | A. marginata |
| Binomial name | |
| Arima marginata (Fabricius, 1781) | |
| Synonyms | |
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Arima marginata is a species of leaf beetles of the subfamily Galerucinae in the family Chrysomelidae.
Subspecies include: [1]
This species is only found in the Southeast France and in the Northwestern Italy. [2]
Arima marginata can reach a body length of about 12–20 mm (0.47–0.79 in) in females, of about 6–12 mm (0.24–0.47 in) in males. [3] Therefore this species presents a clear sexual dimorphism, as females are generally much larger than males. Moreover females outnumber males.
These beetles are shiny black with orange marginal bands on the edge of the pronotum and the elytra. Elytra cover only two abdominal segments.
Antennae are filiform and the abdomen is voluminous. The last sternites is composed by one piece, in the shape of a ginko leaf, while the genital plate is made of two parts. [4] These beetles do not fly, but they are very active.
Adults of this species can be found from April to August, [5] and have one generation per year (univoltine). Adults overwinter in the ground. Female lays about 80 eggs on the leaves of the host plants, and the larvae come out after about ten days. Larvae of A. marginata can reach a body length of about 12 mm (0.47 in). They are black and highly polyphagous. They mainly feed on the leaves of many aromatic Lamiaceae species ( Lavandula , Mentha , Origanum , Salvia , Basil , Thymus , etc.). [3] [6]
The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle families. Numerous subfamilies are recognized, but the precise taxonomy and systematics are likely to change with ongoing research.
The tansy beetle is a species of leaf beetle. It measures 7.7–10.5 mm in length and has a characteristic bright metallic green colouration. The common name derives from the tansy plant on which they often feed as both larvae and adults. In addition to the nominotypical subspecies, which repeats the specific name, C. graminis graminis, there are five further distinct subspecies of tansy beetle, which, collectively, have a Palearctic distribution, although in the majority of countries where it is found the species is declining. In the United Kingdom it is designated as 'Nationally Rare' and this localised population, centred on York, North Yorkshire, has been the subject of much recent research.
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Arima is a genus of leaf beetles (Chrysomelidae) belonging to the subfamily Galerucinae. Species of this genus are found in France, on the Italian mainland, and in Sicily. They present clear sexual dimorphism, as females are generally much larger than males.
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Luperus flavipes is a species of skeletonizing leaf beetle belonging to the family Chrysomelidae, subfamily Galerucinae.
Dicladispa armigera is a species of leaf beetle from Southeast Asia, often known by its common name: the "rice hispa". These beetles are a well known invasive pest, and are responsible for significant crop damage across many countries. The male to female ratio is between 1:1.26 and 1:1.46.
Luperus viridipennis is a species of skeletonizing leaf beetle belonging to the family Chrysomelidae, subfamily Galerucinae.
Data related to Arima marginata at Wikispecies
Media related to Arima marginata at Wikimedia Commons