101 



THE ACULEATE HYMEN OP TERA PROCURED AT ADEN 

 BY COL. YERBURY, R.A., AND CAPT. NURSE, LS.C. 



[Witli Plate J.] 



By Lieut.-Col, C. T. Bingham, f. z. s., f. e. s. 

 {Read before the Bombay Natural History Society^ on 'dOfh Sej^t., 1897.) 



The two collections kindly submitted to me for examination by 

 Lieut.-Col. Yerbury and Capt. Nurse contained one hundred and seven 

 species, of which four I believe to be previously undescribed. 



The preponderance of Palreartic species is noticeable, wdiile, as 

 w^as to be expected, both Ethiopian and Indian forms are represented 

 in lesser numbers.* 



Family MUIILLID.E. 



1. MUTILLA CHRYSOPHTHALMA, Kluo. 



Mutilla chrysophthalma, King, Symb. Phys., Dec. 1, No. 3, t. 4, f. 3. 

 Aden (Co/. Yerbury), one worn $. Occurs also in Egypt and 

 Ceylon. 



2. Mutilla arabica, Oliv. 

 Mutilla arabica, Oliv., Encycl. Meth., viii, p. 59. 

 Aden (Col. Yerbury). 



3. Mutilla aurea, Kluo-. 

 Mutilla aurea, Klug, Symb. Phys., Dec. 1, No. 13, t. 4, f. 13. 

 Shaikh Othman (Col. Yerbury). 



4. Mutilla ^stuans, Gerst. 

 Mutilla cBstuans, Gerst., Pet. Reise Mozamb,, v, p. 487, pi. 31 

 fig. 6, $. 



Aden, Lakej, Hanthaburi (Col. Yerbury), Ceylon. 

 The ^ has not been described in my Vol. I, " Hjmienoptera of 

 India. " Col. Yerbury took $ and 9 in cop. at Aden. 



Desc. $» Head, thorax and abdomen closely but not strongly pmic- 



tured, a space on the middle of the 2nd abdominal segment above 



• close to its posterior margin highly polished and shining, impunctate ; 



head not so wide as the thorax, front below the ocelli raised, almost 



tuberculate, scutellum raised, produced into a sharp cone ; median 



* The original M.S. of this paper was posted in London, but apparently never reached 

 the office of this Journal. The present list of the Hymenoptera of Aden has been compiled 

 from pencil notes made by me at the British Museum while 1 was working out Colonel 

 Yerbury's and Capt. Nurse's collections. 



