322 JOURNAL OF THE PLYMOUTH INSTITUTION. 
ORTHOCENTRUS marginatus (Holmr.). New British species. Bolt 
Head, 6th July. 
cognatus (Holmr.). New British species. Plymbridge, 7th 
August. 
Bassus cingulatus. New British species. Plymbridge, 7th August. 
albosignatus. Horrabridge, 3rd June. 
insignis. Plymbridge, 20th May. 
abdominator (Bridgman). New species. Dousland, 23rd 
August, 
strigator. Laira, 23rd September. 
signatus. Longbridge, 25th August. 
gracilentus. Bickleigh, 14th September. 
elegans. Plymbridge, 7th August. 
Sundevallt. Laira, 10th September. 
PouysPincta varipes. Bickleigh, 14th September; Exeter, 23rd 
September. 
AcropactTyLa madida. Bickleigh, 5th August. 
degener. Dousland, 23rd August. The larva is an external 
parasite on full-grown spiders. 
GLyptTa monoceros. Bred from Tortrix costana, 29th June. 
fronticornis. Bickleigh, 9th September. 
Lampronota nigra. Dousland, 23rd August. 
caligata. Bickleigh, 4th August. 
Lissonota terebrator (Bridgman). New species. Bred from 
Anticlea badiata. 
vicina. New British species. Bickleigh, 16th September. 
decimator. Bred from Gortyna flavago, 4th May. 
insignita. Plymbridge, 24th September. 
BRACONID A. 
Bracon nigratus (Wesm.). 
erraticus. Bickleigh, 21st August. 
levigatus. Bred from Sawfly galls on Salix caprea (Nematus 
viminalis), 22nd August. 
tornator. Bickleigh, 9th July. 
Satunas. Plymbridge, 30th June. 
epitriptus. Bred from a gall of Hormomyia capree, 3rd 
September. 
larvicida. Bickleigh, 21st September. 
pretermissus. Bickleigh, 9th September ; Exeter, 10th Sept- 
ember. 
