104 [October, 



been able to prove, experimentally its existence in the following 

 British species : 



1. Nematus appendiculatus. — Females bred. 



2. Nematus rujicornis. — Eggs were laid, but the larvae died very young. 



3. Nematus compressicornis. — Eggs were laid, but did not develop ; 



they were, however, certainly fertile. 



4. Nematus cadderensis. — Males bred. 



5. Nematus conductus. — Females bred. 



6. Croesus septentrionalis. — Males bred. 



7. Groesics varus. — One female bred. 



8. Cladius padi. — Males bred. |j 



9. Cladius rujlpes. — Eggs laid, but did not yield the larvae. 

 10. Abia nitens. — Males bred. 

 11,- Trichiosoma lucorum. — Males bred. 



12. Hylotoma ustulata. — Eggs laid, but the larvae perished in them. 



13. Lophyrus pint. — Males bred. 



G-lasgow : September Ibth, 1884. 



A SYNOPSIS OF THE CENTRAL AMERICAN SPECIES OF JOFPA] 

 WITH DIAGNOSES OF NEW SPECIES. 



BY P. CAMERON. 



The following new species will be more fully described in Messrs 

 Grodman and Salvin's " Biologia Americana-Centrali." 



JOPPA MELANOCEPHALA. 



Flavo-testacea ; capite, antennis, abdominis apice tarsisque pi 



terioribus nigris ; alisjlavo-hyalinis, apice violaceis, stigmate jiavo . 



Long. 21 — 22 mm. 

 Hah. : Panama, Yolcan de Chiriqui, 2500 — 4000 feet ; Bugabij 

 800—1200 feet {Champion). 



JoPPA VARIPES. 



Flavo-testacea, antennis, vertice, ohdominis apice, tarsis,femorihl 

 proparte tihiaru7nque apice nigris ; alis flavo-liyalinis, apice fumatr. 

 stigmate jiavo. Long. 11 — 12 mm. 



Hah. : Panama, Yolcan de Chiriqui, 2500 — 6000 feet {Champic 



JoPPA MELANOSTIGMA. 



Flava, antennis, vertice, mesonoto, abdominis apice, geniculis pet 

 terioribus Jcete tarsisque posterioribus nigris ; alis Jiavo-hyalinis, api 

 fumatis, stigmate nigro. Long. 14 mm. 



Hab. : Bugaba {Champion), 



