A SYNOPSIS OF TEE APE I DID AE 147 



Group Schizoneurina Lichtenstein 



This group as considered by Mordwilko contains the following 

 genera : Lowia Licht., Colopha Monell, Pachypappa Koch, Schizoneura 

 Hartig, Anoecia Koch, and Mindarus Koch. Tullgren places in his 

 tribe Schizoneurina the two genera, Schizoneura Hartig, and Tetra- 

 neura Hartig. Pachypappa Koch he places in his tribe Pemphigina, 

 and he has a separate tribe for each of the genera Anoecia Koch and 

 Mindarus Koch, calling them respectively tribe Anoeciina and tribe 

 Mindarina. Below is a translation of Mordwilko 's key. 



1. Wings laid flat on back when at rest Lbwia Licht. 



Wings held roof -like when at rest 2 



2. Stigma of forewings trapezoidal in shape, reaching only to the beginning of 



the curve around the end of the wing, never extending to the tip of the 

 wing. Radial vein originating from the posterior exterior corner of the 

 stigma 3 



Stigma linear, very long, reaching to the wing tip on the front side of the 



wing, and even following the backward curve of the exterior side of the 

 wing to some extent. Eadial vein starting almost at the beginning to the 

 interior edge of the stigma. Sexual forms with beaks Mindarus Koch 



3. Hind wings with one transverse vein Colopha Monell 



Hind wings with two transverse veins 4 



4. Both transverse veins originating from the same point on the longitudinal 



veins Pachypappa Koch 



. Transverse veins of hind wings originating separately 5 



5. Bodies of apterous and alate forms with little hair, and covered at least on the 



dorsum of the abdomen with waxy powder. Cornicles pore-like (point-like). 

 Sexual forms without beaks Eriosoma Leach 



Bodies of apterous and alate forms very hairy and not covered with waxy 



powder or granules (only the stem mothers are weakly pulverulent). Cor- 

 nicles comparatively large, tuberculate (cone-like). Sexual forms with 

 beaks '. Anoecia Koch 



The genera Lowia Licht., Pachypappa Koch, and Anoecia Koch 

 are not represented in California. Colopha Monell and Mindarus 

 Koch are both represented by their type species. It has been proven 

 that Eriosoma Leach has priority over Schizoneura, Hartig, so that 

 genus is now known by that name. It is represented in California by 

 three or four species at present. 



