1881.j the secretary on the insectarium. 655 



European Heterocera. 



Heterogrjnis penella. — A batch of freshly-hatched larvae were pre- 

 sented by Lord AValsiugham on the 23rd instant. The larvae are 

 growing slowly, and feed upon the cultivated yellow-flowering 

 Genista, drilling regular little round holes in the leaves. 



British Hymenoptera, 



A piece of heather containing three cocoons of the Sand- Wasp 

 {Pelopoeus, sp. inc.) were presented to the Society by Col. Irby, 

 F.Z.S., and produced two imagines 23rd and 24th instant. 



British Neuroptera. 



The larvae of Libellula depressa have done well ; but those of 

 Agrion, sp. inc., have all died. It is probable that these species 

 require running water of a temperature not above 50°. Ephemera, 

 sp. inc., grew well, and produced two imagines. 



European Neuroptera. 



Myrmeleon formicarius. — Fifteen larvae of this insect were ob- 

 tained from France, and have established themselves ia some sand 

 in a glass shade, exhibiting their pits as in a wild state. 



British Coleoptera. 



Imagines ofDi/tiscus marginalis, Hydroj)hilus piceus, and Cicindela 

 campestris exhibited. One larva of Dytiscus marginalis was ex- 

 hibited for half the month, when it was attacked by a species of 

 fungus and died. 



British Trichoptera. 



Caddis-flies {Phryganea, sp. inc.). — These have lived, and many 

 are probably mere pupae. 



Exotic Orthoptera. 



Eggs of 5 species of Leaf-insects were received from Mr. Water- 

 house, British Museum, and are exhibited in a suitable vessel should 

 they hatch. 



There have also been exhibited : — 



British Hemiptera. 



Notonecta glauca, and eggs obtained, which hatched and attained 

 half growth. 



Nepa cinerea ; and 



Aquatic Spiders (Arachnida). 



General Remarks. 



I have not been able to add a number of species that I should 

 have wished, owing to a severe illness, which suddenly attacked me 

 on the 14th instant. 



