Entomologia Chiavi dicotomiche Odonata Zygoptera Coenagrionidae - Alex Minicò photographer

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GENERI

Coenagrionidae (maschi)

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1. Corpo color rosso/giallo (Fig.1);....................2

 
Fig.1
 

-- Corpo color azzurro (Fig.2);....................3

 
Fig.2
 

2. Zampe rosse (Fig.3);....................CERIAGRION - Ceriagrion tenellum

 
Fig.3
 

-- Zampe nere (Fig.4);....................PYRRHOSOMA - Pyrrhosoma nymphula

 
Fig.4
 

3. Corpo dorsalmente color verde metallico (Fig.5);....................NEHALENNIA - Nehalennia speciosa

 
Fig.5
 

-- Corpo dorsalmente con macchie nere (Fig.6);....................4

 
Fig.6
 

4. Macchie post-oculari assenti o ridottissime (Fig. 7); Occhi talvolta rossi (Fig.8);....................ERYTHROMMA

Fig.7
Fig.8

-- Macchie post-oculari presenti (Fig. 9); Occhi mai rossi (Fig.10);....................5

Fig.9
Fig.10

5. Pterostigma ala anteriore bicolore (Fig. 11);....................ISCHNURA

 
Fig.11
 

-- Pterostigma unicolore (Fig. 12);....................6

 
Fig.12
 

6. Banda inter-pleurale assente (Fig. 13); Banda anti-umerale larga (Fig.14);....................ENALLAGMA - Enallagma cyathigerum

Fig.13
Fig.14

-- Banda inter-pleurale presente (Fig. 15); Banda anti-umerale stretta (Fig.16);....................COENAGRION

Fig.15
Fig.16

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Photo by Carlo Galliani, Martin Cerny.

 
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