417 



Bequaert (J.). A New Host of Laboulbenia formicarum, Thaxter, 

 with Remarks on the fungous Parasites of Ants. -Bidl. Brooklyn 

 Entom. Soc, BrooUyn, N.Y., xv, no. 2, April-June 1920, pp. 71-79. 



The fungus, Laboidhenia formicarum, is recorded as infesting the 

 ant, Formica pallidefidva, Latr., subsp. schaufussi, Mayr, near Boston. 

 This and other species of fungi known to attack ants are discussed. 



EoHWER (S. A.), U.S. Bur. Entom. The North American Ichneumon- 

 Flies of the Tribes Labenini, Rhyssini, Xoridini, Odontomerini, 

 and Phytodietini. — Proc. U S. Nat. Mus., Washington, B.C.. Ivii, 

 no. 2317, 1920, pp. 405-474, 13 figs. 



This list comprises 8 new species and one new variety, including 

 Labena confusawax. rninor n., bred from Chrysobothrisfemorata, F., and 

 Aplomer}is bwprestivorus, sp. n., found in the cocoon stage in the larval 

 galleries of a Buprestid in mountain mahogany {Cercocarpusparvifolius). 



Keys to the genera of the above tribes are given and also to the 

 species of the genera Phytodietus, Odonlomerus, Aplomerus, Poemenia, 

 Doderoxorides, Xorides, Megarhyssa, Rhyssella gen. n., Epirhyssa^ 

 Rhyssa, Grotea, and Labena. 



CusHMAN (R. A.) & RoHWER (S. A.). U.S. Bur. Entom. Holarctic 

 Tribes of the Ichneumon-Flies of the Subfamily Ichneumoninae 

 (Pimplinae). — Proc. U.S. Nat. Mus., Washington, B.C., Ivii, no. 

 2315, 1920, pp. 379-396, 13 figs. 



As a result of several years' study the authors' opinion regarding the 

 relationship and number of tribes of the Ichneumoninae (Pimplinae) 

 as represented in the Holarctic region is discussed. It is considered 

 that the sub-family name Pimplinae must be suppressed in favour of 

 Ichneumoninae and the sub-family Ichneumoninae of authors will 

 be Joppinae, after the name of the oldest included genus. 



Cushman (R. a.) & RoHWER (8. A,). U.S. Bur. Entom. The North 

 American Ichneumon Flies of the Tribe Acoenitini. — Proc. U.S. 

 Nat. Mus., Washington, B.C., Ivii, no. 2320, 1920, pp. 503-523, 

 3 figs. 



A key is given to the five genera included in this tribe, though only 

 two, namely, Coleocentrus, Grav., and Arotes, Grav., are known to 

 occur in North America. The members of this tribe are mostly 

 parasitic on wood-boring Coleopterous, Hymenopterous and Lepidop- 

 terous larvae. Keys are given to the species of the genera dealt 

 with. 



Patch (E. M.). Three Pink and Green Aphids of the Rose.— Matwe 



Agric. Expt. Sta., Orono, Bull. 282, December 1919, 44 pp. 

 [Received 28th July 1920.] 



Besides Macrosiphum rosae and M. solanifolii, there is at least 

 one other species of rose Aphid with distinct pink and green colour 

 varieties, viz., M. pseudorosae, sp. n., here described. This species 

 was first found on golden ragwort {Senecio aureus) in company with 



(708) Wt. P1850/163. 1,500. 10 20. B.&F.,Ltd. Gp.11'14. A 



