ixn NATURAL HISTORY- 



Gen. 529.— CAMPOPLEX ? (Grav.) 



3. Arcticus. Black, legs fulvous. 



Length four lines, breadth seven lines and a half. 



Black and pubescent; antennjB as lung as the insect, subsetaceous and not very 

 slender ; head and thorax thickly but minutely punctured, the former short, the latter 

 subglobose, abdomen shining, clavate, and slightly compressed at the apex, peduncle 

 rather short ; wings transparent, areolet very small, subtrigonate, with the base angu- 

 lated, and the nervures uniting at the apex before they reach the marginal cell ; 

 nervures and stigma piceous, the latter narrow ; legs fulvous, coxse, trochanters, and tips 

 of tarsi black ; the spurs to the four posterior tibise rather long and slender. 



Gen. 554.— MICROGASTER. {Lat.) 



4. Unicolor. Black, wings nearly colourless. 

 Length one line one-third, breadth three lines. 



Black, thickly and minutely punctured, base of the tibiee dirty ochre, spurs at the 

 apex brighter ; wings transparent but stained with black, nervures and stigma ochreous 

 brown, areolet imperfect.* 



A male was bred from a cluster of cocoons, enveloped in a silky ball, resembling 

 those containing the eggs of some spiders. 



Fam.— EORMIClDiE. 



Gen. 661.— MYRMICA. {Lat.) 



5. Rubra. (Linn.) 



" In great numbers under stones." 



Fam.— APID.E. 

 Gen. 723.— BOMBUS. (Lat.) 



6. Kirbietlus. Black, anterior and posterior margins of the thorax and base and 

 apex of abdomen clothed with yellowish hairs. 



• Vide Cuvtis's British Entomology — vol. vii., folio and plate 321. 



