ENTOMOLÓGICA DE ESPAÑA 119 



of the dragonfly Gomphus crassus (Odón,), Williamson. 

 Hesperia syrichtus and montivagus (Lep.), Skinner. A 

 new Tachytes from Georgia (Hym. Larr.), Bradley. Pre- 

 servaíives for plants and insects, Davis. 



— 1920. Núm. 1. Notes on Thymalus fulgidus Er. 

 (Col.), Weiss. An undescribed species of Ptychoptera from 

 the Western United States (Ptychopteridae, Dipt.), Ale- 

 xander. Notes on Buprestidae, Knull. New or interesting 

 Psyllidae of the Pacific Coast (Homopt.), Crawford. A new 

 parasitic Cynipid reared from a Clover Aphid (Hym.), Weld. 

 Labenidae, a new family of Ichneumonoidea (Hym.), Vie- 

 reck. To proposers of new genera, Baker. An unusual case 

 of parasitism of Clastoptera obtusa Say (Hem. Cercop.), 

 Baerg, 



— Núm. 2. Notes on lunate Onion Fly, Eumerus stri- 

 gatus (Dipt. Syrph.), Colé. Notes on species of Halictus 

 visiting evening flowers (Hym.), Stevens. Some notes on 

 the occurrence of Delphacinae (Hemipt. Hom.), Spooner. 

 Specific, subspecific and varietal categories of insects and 

 the naming of them, Me Atee. Coleophora apicialbella 

 nom. nov. (Microlep.), Braun. A correction in the meco- 

 podinae (Orth.), Caudell. 



— Núm. 3. Descriptions of new North American aca- 

 lyptrate Diptera, Cresson. Mordella marginata Melsh.» 

 Weiss. Notes on Psyllidae (Hom.), Crawford. Undescribed 

 TipuHda: collected in Brasil (Dipt.), Alexander. New species 

 of Lyonetiidse (Microlep.), Braun. The Bembicine wasps of 

 North Carolina (Hym.), Smith. 



— Núm. 4. Another Pitcher Plant insect (Dipt. Sciar.), 

 Jones. The Bembicine wasps of North CaroHna (Hym.) 

 Smith. The eyes of insects, Mac Gillivray, A mexican 

 species of Agrilus found in Arizona (Col,), Fisher et Nico- 

 lay. A new Euphydryas from Nebrasca (Lep.), Leussler. A 

 new species of Coenosia from the Western United States 

 (Dipt., Anthom.), Malloch. Callosamia Carolina and Samia 

 securifera (Lep. Saturn,), Skinner. Notes on the ovopo- 



