SCIENTIFIC NOTES. 163. 
MyrMecopuina FormicaruM, Scudder, is taken with Camponotus laevi- 
gatus, in California. MyrurcopHita orEGoNENSIS, Brun., is found in 
British Columbia, &¢., with Formica neorujfibarbis. Myrmecopaima 
NEBRASCENSIS, Brun., has been recorded with Formica rufa in Nebrasca 
(it is, however, probably not I’. rufa, as that species is apparently 
unknown in North America, but one of its allies), and under stones 
with F’. easectoides, in New Mexico. MyrMEcopHILA NEHAWKAE, Scudder, 
isavery small species occurring with Cremastoyaster lineolata, in Nebrasca. 
MyrMecopHina coLUMBIANA, Sauss.—Mr. Burr possesses a specimen of 
this species from Columbia, but I do not know the name of its host. 
MyrMECOPHANA FALLAX, Brun., is probably myrmecophilous, but its 
host is unknown. This insect which is figured in the Cambridge Nat. 
Hist. Insects, pt. 1., p. 823, bears an extraordinary resemblance to an 
ant, when viewed from the side. There do not appear to be any 
British records of Orthoptera taken with ants. 
Y)OTES ON LIFE-HISTORIES, LARYA, &c. 
Kees or Lerproprera.—Larentia nobiliaria.—Oval, of ordinary 
Geometrid shape; length: breadth: height, as about 8: 5:4; colour 
pale straw-yellow, depressed on upper surface; sculpturing very faint, 
consisting of fine irregular polygonal pittings without any very definite 
walls to the polygonal spaces to form a reticulation (Described 
August 2nd, 1899, from eggs laid by a @ captured at Simplon the 
preceding day). 
Setina aurita.—The most regular appear to be rather more than a 
hemisphere in shape, with the base almost perfectly flat (others are 
somewhat irregular owing perhaps to being pushed against others at 
time of laying) ; they are of delicate texture, pale brown in colour, 
mottled with darker brown (=embryo) ; the surface apparently quite 
smooth and shiny, with only the faintest indication of vertical 
ribbing at the rounded edge of the base ; the whole egg is very trans- 
parent, and shows clearly the granular contents (Described August 
4th, 1899, from eges laid by female on setting-board, July 31st, ‘and 
captured at Simplon).—J. W. Turr. 
NEWLY HATCHED LARVA oF AGROTIS AGATHINA.— Young larva (hatched 
September 19th, 1898) whitish-fuscous ; loops, but legs on the 8rd 
and 4th, though smaller than those on 5th and 6th, abdominals, and 
not used when running quickly, are functional, and are used when 
moving slowly ; when at rest the larva may use them or may sit up 
Sphinx fashion. The crochets on prolegs on the 8rd, 4th, 5th, 6th, 
and 10th abdominal segments are respectively 6, 8, 9-10, 10, 9-10; the 
crochets are smaller on prolegs of 3rd and 4th segments.—T. A. Carman, 
SCIENTIFIC NOTES. 
THYREOSTHENIUS BIOVATUS IN NESTS oF Formica RUFA, AND TErRILUS 
ARIETINUS IN NESTS OF I’. RUFA AND Lasius FULIGINOSUS.—Since my 
former note (anted, p. 138) was written, I haye again received 7’. biovatus 
(both sexes adult) from Mr. Donisthorpe, by w hom they were found in 
nests of the same species of ant (Iormica rufa) at Oxshott. Also from 
the same locality an adult and an immature male of a most remarkable 
spider of the family Ayelenidae, Tetrilus arietinus, Thor. One of these 
