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The perfect insect appears in April and May, June 
and July. 
The caterpillar is greenish or greyish yellow with 
two black spots on the second segment; the head black. 
The date of the appearance of the caterpillar is in 
March and the beginning of April. 
It feeds on the meadow grass (Poa trivialis). 
C. S. Gregson, Esq., has again placed me in his 
debt for a beautiful drawing of the above. 
ELACHISTA NIGRELLA. 
Plate CXXIII. Figure 14. 
Localities for this species are Scarborough, Lewes, 
York, Pembury, Manchester, Kingsbury, Darlington, 
Bristol, Birkenhead, Alkham. 
The perfect insect appears in May, June, July, aud 
August. 
The caterpillar is yellowish grey; the head pale 
brown. 
The date of the appearance of the caterpillar is in 
April and July. 
It feeds on the meadow grass (Poa trivialis ), etc. 
ELACHISTA SUBNIGRELLA. 
Plate CXXIII. Figure 15. 
Localities for this species are Scarborough, Brighton, 
Kingsbury, Bristol, and on the old tram-road near 
Croydon, Sanderstead, Mickleham, and Guildford. 
