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  Ricerche: Community
Studio di una comunità di artropodi in ambiente antropizzato
      
Ecological study of an arthopod community in an anthropized environment

UNDER CONSTRUCTION

by G.L. Agnoli

1. Hymenoptera


Pimplinae (Ichneumonidae)
 
Philoctetes (Chrysellampus) sculpticollis (Abeille, 1878),
exploring and catched by a spider web.

      
Symmorphus bifasciatus (Linnaeus, 1761), Hymenoptera Eumenidae, and its nests, closed with mud,
from old galleries of Oligomerus ptilinoides (Wollaston, 1854), Coleoptera Anobiidae.


Trypoxylon clavicerum Lep. & Serv., 1825
Hymenoptera Sphecidae

Psenulus fuscipennis (Dahlbom, 1843),
Hymenoptera Sphecidae

 

2. Arachnida

    
Achaearanea tepidariorum (Koch, 1841) with prey Omalus aeneus (Fabricius, 1787)

   
Achaearanea tepidariorum (Koch, 1841), with prey (Hymenoptera Sphecidae) and its egg-sac

    
Pholcus phalangioides
(Fuesslin, 1775) with prey Philoctetes (Chrysellampus) sculpticollis (Abeille, 1878)

 

3. SEM Micrographs
click to enlarge

Omalus aeneus   Philoctetes sculpticollis   Philoctetes sculpticollis - antenna
01 - Omalus aeneus in bozzolo di Holocnemus (Arachnida). 35x       02 - Philoctetes sculpticollis, maschio. 35x       03 - Philoctetes sculpticollis: sezione di articolo antennale che rivela il canale nervoso.
         
Philoctetes sculpticollis - dente anale   Philoctetes sculpticollis - dente anale   Omalus aeneus
04 - Philoctetes sculpticollis: dente anale sinistro. 1000x   05 - Philoctetes sculpticollis: dente anale con ispessimento chitinico. 500x   06 - Omalus aeneus: particolare della ragnatela in zona addominale. 200x
         
Philoctetes sculpticollis   Philoctetes sculpticollis   Philoctetes sculpticollis
07 - Philoctetes sculpticollis, maschio: area toracica nera e opaca. 150x   08 - Philoctetes sculpticollis: come la precedente, ma a ingrandimento maggiore. 350x   09 - Philoctetes sculpticollis: confronto fra torace (sx) e occhio composto (dx) a pari ingrandimento. 350x

 

 



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