MICHIGAN STATE POMOLOGICAL SOCIETY. 335 



PoRTzoN coNOTRVCHELi, IS". Sp. Head pitchy-black, opaque, the 

 ocelli triangularly placed and close together; eyes oval, polished, and 

 hlack ; llxce covered -with a silvery-white pubescence ; rabrum rufous, 

 with yellowish hairs ; mandibles and palpi pale yellowish-brown ; 

 aatennic inserted in depressions between the eyes, reaching to mctatho- 

 rax when turned back, filiform, 24-jointed ; black with basal joints, 6-1 

 becoming more and more rufous, the bulbus always distinctly rufous ; 

 bulbus rather longer and twice as thick as joint 3 ; joint 3 about one- 

 third as long. Tltorax pitcy-black, opaque, the sides slightly pubescent 

 with whitish hairs, the mesothorax rounded and bulging anteriorly, the 

 scutellum slightly excavated and sharply defined by a carina each side ; 

 metathorax with the elevated lines well defined and running parallel and 

 close together from scutellum to about one-fourth their length, then sud- 

 denly diverging and each forking about the middle. Abdomen glabrous, 

 polished, very slender at base, gradually broader and much compressed 

 from the sides at the apex, which is truncated ; peduncle uniform in 

 diameter and as long as joints 3 and 3 together; joints 3-5 subequal in 

 length ; color rufous with the peduncle wholl}-, dorsum of joint 3, a lat- 

 eral shade on joint 3, and more or less of the two apical joints superiorly, 

 especially at their anterior edges, black ; venter more yellowish ; ovipos- 

 itor about as long as abdomen, porrect when in use, curved upwards 

 when at rest, rulbus, with the sheaths longer and black. Legs^ including 

 trochanters and coxfe, uniformly pale yellowish-brown, with the tips of 

 tarsi dusky. Wings subhyaline and iridescent, with veins and stigma 

 dark brown, the stigma quite large, and the two discoidal cells subequal 

 and, as usual in this genus, joining end to end, but with the upper veins 

 which separate them from the radial cell, slightly elbowed instead of 

 being straight, thus giving the radial cell a quadrangular rather than a 

 triangular appearance. Male differs from female only in his somewhat 

 smaller size and unarmed abdomen. Expanse female 0.33 inch, length 

 of body exclusive of ovipositor 0.33 ; expanse male 0.38, length 0.18. 



Described from 3 females, 1 male bred May 36th-38th, 1870, from 

 cocoons received from Dr. I. P. Trimble, and 1 female subsequently 

 received from the same gentleman, — all obtained from larva; of Conoira- 

 chdus nenuphar. 



" But of what use are these parasites ?'' say you ! Well, they 

 cannot, it is true, be turned to very great practical account, 

 because they are not sufficiently under our control ; but it is a 

 source of great satisfaction to those "who have been looking for 

 many years for some natural aid to help them in the artificial 

 warfare waged against the Curcnlio, to know that besides its 



