INSECTS 



POLYMORPHI {continued) 

 Macrocentrides 

 Genus, Macrocentrus, Curt. 

 • — abdominalis, Fab. Gregarious 

 * — pruinata. Gregarious 



— marginator, Nees. Bred from several species of 



Sesia ; larva solitary 

 * — thoracicus, Nees. 



— infirmus, Nees. Bred 1 74 females from a single 



caterpillar of Hydraecia petasitis 



— coUaris, Spin. BredeightyfromNoctua triangulum 

 Genus, Zele, Curt. 



— testaceator, Curt. Bickleigh and Bishopsteiffiton 



— chlorophthalma, Nees. Bred from Cidaria im- 



manata 



— discolor, Wesm. Bred from Cabera pusaria 



DiOSPILIDES 



Genus, Diospilus, Hal. 



— oleraceus, Hal. Gen. dist. 

 * — capito, Nees. 



§ — morosus, Reinh. 

 Genus, Dolops, Marsh. 



— hastifer, Marsh. Telverton, August 



— aculeator. Marsh. Teignmouth and Cornuiortky 



Opiides 



Genus, Hedylus, Marsh. 

 + — habilis. Marsh. 

 Genus, Opius, Wesm. 



— apiculator(J) Nees. Stoke fTood, nr. Exeter {Tai&tt) 



— spretus, Hal. MarsA Mills ; Bishopsteignton 



— tacitus, Hal. Bred from Dipterous larvae 



— analis, Wesm. Bred from oak leaves gathered 



from the ground in winter 

 t — saevus, Hal. 

 § — maculipes, Wesm. 

 § — cingulatus, Wesm. 

 + — irregularis, Wesm. 



Parvulus, Wesm. Bred from Oecophoro fulviguttella 

 § — zelotes. Marsh, 

 t — nitidulator, Nees. 



— reconditor, Wesm. Bickleigh 



— caelatus, Hal. Barnstaple (Marshall) 



— rufipes, Wesm. Corntvorthy (Marshall) 



— comatus, Wesm. Plympton 

 Genus, Biosteres, FOrst. 



— carbonarius, Nees. Ivybridge 



— rusticus, Hal. Beesands 



— impressus, Wesm. Corntvorthy (Marshall) 

 Genus, Diachasma, FOrst. 



— cephalotes, Wesm. Slapton 



EXODONTES 



Alysiides 



Genus, Chasmodon, Hal. 

 t — apterus, Nees. 

 Genus, AUoea^ Hal. 



— contracta, Hal. Bred from fallen oak leaves 

 Genus, Alysia, Latreille 



— manducator, Panz. Bred from larva feeding on 



carrion 



— tripulae, Scop. Exeter; Telverton 

 t — incongrua, Nees. Nr. Plymouth 



— . lucicola, Hal. Devon (Marshall) 

 t — truncator, Nees. Exeter (Hellins) 



— concinna, Hal. 



— nervosa, Hal. 



EXODONTES {continued) 

 Alysiides {continued) 



Genus, Pentapleura, FOrst. 

 • — pumilio, Nees. 



Genus, Aphaereta, FOrst. 

 * — cephalotes, Hal. 



Genus, Phaenocarpa, FOrst. 

 • — ruficepes, Nees.' 

 t— pullata, Hal.' 

 * — picinervis, Hal.' 

 t— Eugenia, Hal. Seaton ; C. W. Dale' 

 • — conspurcator, Hal.' 



Genus, Adelura, FOrst. 

 t— Isabella, Hal. 



* — apii. Cur. A parasite on the larva of the celery- 

 fly 



Genus, Mesocrina, FOrst. 



— pugnatrix, Marsh. Comioorthy (Marshall) 

 Genus Aspilota, FOrst. 



• — ruficornis, Nees. 



fBred from old wasps' nests 

 infested with a dipteron, 

 Homalomyia canicularis 



— fuscicornis, Hal. Bickleigh 



— distracta, Nees. Vinstone Nursery 



Dacnusides 



Genus, Oenone, Hal. 

 • — hians, Nees. 

 • — ringens, Hal. 



Genus, Dacnusa, Hal. 



— adducta, Hal. Bishopsteignton (Marshall) 

 * — senilis, Nees. 



§ — petiolata, Nees. 



— lepida, Marsh. Bishopsteignton (Marshall) 



— aphantai Marsh. Nr. Plymouth (Marshall) 

 § — stramineipes, Hal. 



* — areolaris, Nees. 

 t — leptogaster, Hal. 



Genus, Gyrocampa, Farst. 

 § — foveola, Hal. 



Genus, Chorebus, Hal. 

 t — limoniadum. Marsh. 



Genus, Chaenusa, Hal. 



— conjungens, Nees. Not uncommon in swampy 



places 



Genus, Coelinius, Nees. 

 t — viduus, Cur. 

 * — niger, Nees. 

 • — elegans, Hal. 



Genus, Chaenon, Curtis 

 § — anceps. Cur. 



Genus, Polemon, Giraud 



— liparae, Giraud. Bred from a dipteron, Lipara 



lucens 



FLEXILIVENTRES 



Aphidiides 



The following groups are interesting on account of 

 their parasitism ; the whole of them live within the 

 body of the several species of Aphis, commonly called 

 green-fly. 



1 Parasites on the larvae of dipterous flies that feed in 

 manure and other refuse heaps. 



185 



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