Dinidoridae Stål 1867
Creators: name: Lis, Jerzy A.
Publisher: name: Zenodo
Year: 1991
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Dinidoridae

description: KEY TO KNOWN LAST INSTAR LARVAE OF <i>DINIDORIDAE</i> SPECIES 1. Head shorter than 1/2 length of pronotum (subfamily <i>Dinidorinae).</i> 2. —. Head longer than 1/2 length of pronotum (subfamily <i> <i>Megymeninae</i>)</i> ............................................................................................... 8. 2. Median patches on tergit VII larger than those on tergit VIII (figs 1—2) (genus <i>Cyclopelta</i> Amyot et Serville)......................... 3. —. Median patches on tergit VII smaller than those on tergit VIII (sometimes even hardly visible — figs 3—7) (genus <i>Coridius</i> liliger).............................................................................................. 4- 3. Pronotum, scutellum and wing pads brown or blackish brown, dorsum yellowish brown... <i>Cyclopelta bechynei</i> Durai —. Pronotum, scutellum and wing pads black, dorsum deep brown............................................................ Cyclopelta <i>tristis</i> (Stal) 4. Connexival areas plain and lighter than the rest of dorsum (figs 4 and 7)..............................................................................................5. —. Connexival areas plain and darker or same coloured as rest of dorsum, or connexival areas two coloured (figs 3, 5, 6)... 6. 5. Pronotum and scutellum reddish orange with black bilobed pattern near anterior margin (fig. 4)... <i>Coridius ianus</i> (Fabricius) —. Pronotum and scutellum plain, brown (fig. 7).................................. <i>............................................................ Coridius xanthopterus (Faimaire)</i> 6. Connexival areas with two blackish brown patches on each segment (fig. 5)...................................................... <i>Coridiuschinensis</i> (Dallas) —. Connexival areas with one black patch on each segment (figs 3 and 6)........................................................................................ 7. Pronotum, scutellum and wing pads red or reddish brown, 3rd and 4thantennalsegments entirely yellowish orange <i>................... Coridius nubilus (Westwood)</i> —. Pronotum, scutellum and wing pads brown or blackish brown, only 4th antennal segment yellowish orange or yellow.... <i>.............................................................................. Coridius putoni (Bolivar)</i> 8. Pronotum black with lateral margins and median line ochraceous (fig. 9)...................................................... <i>SagrivavittataSpinola</i> —. Pronotum brown with no pattern as above (fig. 8) (genus <i>Megymenum</i> Guerin..................................................................................... 9. 9. Anterior and posterior parts of projected connexival areas blackish brown; pronotum and scutellum with blackish brown patches. <i>............................................... Megymenum spinosum (Burmeister)</i> —. Only posterior part of projected connexival areas blackish brown; pronotum and scutellum with no blackish brown patches. <i>.............................................. Megymenum gracilicome Dallas</i>
description: Published as part of <i>Lis, Jerzy A., 1991, On The Last Instar Larvae Of Some Dinidoridae Species (Heteroptera, Pentatomoidea), pp. 83-92 in Annals Of The Upper Silesian Museum (Entomology) 2</i> on pages 2-3, DOI: 10.5281/zenodo.7782177