9830 Insects. 



[I am indebted to Mr. Horton for a supply of these most interesling larvae, 

 ns well as for particulars of their economy, in order that I might write the life- 

 history of the species: this was readily done, bnt a delay in publication was 

 unavoidable. My friend has now relieved me of the duty, by publishinpr the pre- 

 ceding particulars from his abler pen : I am sure no one will regret a delay which 

 has led to so gratifying and instructive a result. It is impossible to estimate too 

 highly the advantages accruing from the labours of JMr. Hellins, Mr. Bucliier and 

 Mr. Horton in this branch of our Science, and I can scarcely find words to express 

 my high appreciation of their services. How long was I alone in the task of 

 thus working out these life-histories— a task which, single-handed, would never 

 have been accomplished by me. — Edward Netoman.'] 



Life- Histories of Saivflies. Translated from the Dutch of M. Snellen 

 van VoUenhoven, by J. W. May, Esq. 



(Continued from page 9754). 



Selandria pusilla, King. 



For the imago: — Dr. F. King, Die Blaiiwespen nach ihren 

 Gattungen tind Arten in Schrijien der naturforsch: Freunde 

 zti Berlin. Tenthr. Fam. II. A. Nos. 50 & 62. Hariig, Blatt- 

 iind Holzivespen, p. 267, No. 2. 



Larva uudescribed. 



Selandria nigra, nitida, alis infuscatis, cellula lanceolata pedim- 

 culata, nulla cellula media in alis posterioribus, genubus, tibiis, 

 tarsisque dilute brunneo-flavis. 



This insect is much less known than the preceding. I do not find 

 it mentioned by any other authors than King and Hartig, while the 

 larva is entirely undescribed. 



It is, probably, a very local insect, being only here and there met 

 with in any numbers ; its small size may also have bad some share in 

 withholding entomologists from a more general acquaintance with it. 

 However, if it is as common in other places as it was in my garden 

 at Leyden, its small size would certainly not have protected it from 

 observation, the singularity of its habits being sure to betray it. Every 

 year, in the month of May, the rose-bushes in the garden are beset 

 with little shining black sawflies. In the sunshine in the middle of 

 the day the males are particularly lively, the females somewhat less 

 active. In the evening the males are no longer to be seen, and the 

 females are resting without motion among the yet unfolded leaves. 



