1900.] INSECTS AND ARACHNIDS FROM SOMALILAND. 39 



Tetjxalis ungtjiculata Eamb. 



North-west Somaliland, Whardi Datal, July 26, 1895. Seve 

 females, one male. 



Machjeridia bilineata Sti.1. 



North-west Somaliland, Whardi Datal, July 26, 1895. I refer 

 a mutilated larva to this species. 



Epacromia thalassina (Eabr.). 



West Somaliland (1895). One example. 



OEdipodid s. 



HUAIBERTIEIXA TENUICORNIS (Schaum). 



West Somaliland : Boholo Deno, near E. Shebeyli, June 24, 1895 ; 

 three male specimens, one female. Somaliland (1895 or 1897); 

 one male and one female. 



This species is purely a native of tropical Africa. 



G-ASTRIMARGUS TERTICALIS SaUSS. 



West Somaliland (1895). One male and one female specimen. 

 Var., fusca, fascia fusca alarum vix perspicua. 

 North-west Somaliland, Hargaisa, April 25-28, 1895. One 

 female specimen. 



OZdaleus instillatus, sp. n. 



Pronotum 7iaud valde elongatum, fusco-testaceum, indistincte fusco- 

 notatum. Tempora acuta, trigonalia. Statura minore. 

 Gracilior. Frons subredinata ; costa frontalis latior, margin- 

 ibus a vertice subdivergentibus ; vertex ad frontem hand rotun- 

 datus. Pronoti crista humilis, acuta, sinuata, margine postuso 

 acutangulo. Elytra venis spuriis completis, area ulnari tr- 

 regulariter reticulata, fusco-testacea, dimidia basalt fascus 

 3 latis fuscis, 2 latis pallidis, opacis, dimidia apicali plus 

 minus hyalina, macidis nebulosis infuscatis ornata. Alee bast 

 flavicantes, fascia fusca lata semilunari, marginem posticum 

 attingenti ornatce, ultra hanc hyalince, apice macida fusca, 2 

 lobos includenti ornata. Pronotum metazona quamprozona Tiaud 

 brevior. Femora postica testacea, extus punctulata, vel irregu- 

 lariter fasciata. Tibice postica; rufescentes. 6 2 • 



6. ?• 



Long, corporis 20 mm. 29 mm. 



„ prouoti 5 6^ 



„ elytrorum 22 26*5 



„ femorum posticorum .... 15 



Patria. West Somaliland (1895). Two specimens. Types, male 

 and female, in Hope Collection, Oxford. j 



This new species falls into the second division of de Saussure s 

 subgenus (Edaleus sensu stricto. It is a great deal smaller than 



