110 CARADRININA [OCHRIA 



Includes two other N. American species only ; it is corre- 

 lated with Nonagria. 



1. 0. ochracea, Hb. (flavago, Esp.) 31-40 mm. Forewings 

 ochreous-yellow, irrorated with ferruginous ; subbasal, first, and 

 second lines ferruginous-margined, first preceded and second 

 followed by ferruginous-brown fasciae ; spots paler, edged with 

 dark ferruginous ; median line ferruginous ; terminal area 

 brownish -mixed. Hindwings ochreous- whitish ; discal spot, 

 postmedian line, and subterminal fascia pale fuscous. 



Britain to Caledonian Canal, Ireland, rather local ; C. Europe, 

 NW Asia; 8, 9. Larva ochreous-whitish to pale brownish, 

 sometimes pink-tinged ; spots large, black ; head yellow-brown ; 

 plate of 2 dark brown : in stems of Carduus, Arctium, Verbas- 

 cum, etc. ; 5-8. 



24. NONAGRIA, 



Head with projecting quadrangular horny frontal plate, 

 concealed in dense scales ; eyes glabrous. Antennae in < 

 ciliated. Thorax with slight anterior crest. Abdomen elon- 

 gate, not crested. 



A small genus, but distributed throughout the principal 

 regions, except New Zealand ; it is a development of Caradrina. 

 All the species are marsh-frequenting ; the larvae feed within 

 the stems of marsh-plants, and the pupae are found in the 

 same position. 



1. Hindwings pale yellowish terminally . 3. sparganii. 



,, not pale yellowish terminally . .2. 



2. Subterminal line preceded by dark fuscous marks 



5. arundinis. 

 not preceded by dark fuscous 



marks . . . . .3. 



3. Second line indicated by distinct blackish dots . 4. 



not indicated by distinct dots 



4. geminipuncta. 



4. Orbicular and reniform indicated by dark marks 



1. dissoluta. 

 ,, not distinctly indicated 



2. cannae. 



1. N. dissoluta, Tr. (arundineta, Schm.; neurica, Dup.) 27-31 

 mm. Forewings brownish-ochreous, more reddish-tinged in 

 disc, towards costa sprinkled with dark fuscous, with a rather 

 dark fuscous longitudinal median suffusion ; veins partly marked 

 with whitish and dark fuscous, some of these dots indicating 



