AND THEIR TRANSFORMATIONS. 4] 
SPECIES 9.—TROCHILIUM FORMICA FORME *. 
Plate vii. fig. 14. 
Synonymes.— Sphinx (or Sesia) Formiceformis, Esper ; Borkh. ; Sphinx Culiciformis, Scopoli, nec Linn. 
Laspeyres ; Ochsenheimer. L’ Ichneumoniforme, Ernst. 
igeria Formiciformis, Curtis; Stephens; Wood, Ind. Ent. pl. Sphinx Tenthrediniformis, Esper ; Borkhausen (alt, sex. ). 
4,f. 36. Haworth ; Villars (Sphinx f.). Sphina Nomadeformis, Hiibner, but not of Laspeyres, &c. 
This pretty species varies in the expansion of its wings from 8 to 101 lines. It is blue-black, with a silvery line 
before the eyes; the palpi black above, fulvous beneath. The thorax and breast unspotted ; the abdomen with 
the fourth segment entirely fulvous ; the fifth with a few fulvous scales. The fan tail marked beneath and at the 
sides with white hairs. The hind tibiz annulated in the middle, and at the tip with white. The fore wings 
with a fulvous red patch at the tip. The veins, margins, and fascie black. 
This is rather an uncommon species, but has occurred occasionally near London. Mr. Vigors is stated to have 
reared it from an apple-tree grown at Little Chelsea, and to have obtained it from Ireland, but I learn from 
Mr. Child of Birmingham, that he reared this species (of which I have a note) from willow. Hiibner also 
describes the larva as subpubescent ; whitish, with the head and tail brownish, adding with a doubt that it 
inhabits the branches of Salix alba; so that perhaps Mr. Vigors’ specimens, bred from an apple, were another of 
the red-belted species. I took it on the 5th of July, 1827, on Umbelliferze in Battersea fields. Mr. Haworth 
gives the beginning of August as its period. 
SPECIES 10.—TROCHILIUM CULICIFORME. 
Plate vii. fig. 12. 
Synonymes.—Sphinx Culiciformis, Linneus, Borkhausen, Las- Conopia Culiciformis, Hiibner, Verz. bek. Sch., Newman. 
peyres, Ochsenheimer, Esper, Zetterstedt, Godart, Boisduval. Sphinx Stomoxyformis, Hiibner, Beytr. v. 4, t. 3 P.; Ditto 
figeria Culiciformis, Stephens, Ill. H. vol. 1, pl. 10, f..3; | Sphing., t. 7, fig. 47 (teste Laspeyres, but denied by Boisduval, who 
Curtis ; Wood, Ind. Ent., pl. 4, f. 34. gives them as distinct). 
This species is at once distinguished by the palpi, which are fulvous beneath in both sexes, a character 
expressly mentioned by Linnzus, which enables us to settle the very disputed synonymes of various species to 
which the name Culiciformis has been applied. The expansion of the wings varies from ten lines to an inch 
(our figure 12 is therefore somewhat enlarged beyond the natural size). It is blue-black; the palpi are 
fulvous beneath, a white line before, and a white spot behind the eyes; the thorax unspotted above, but with 
a fulvous spot on each side the breast; the abdomen with the fourth segment entirely fulvous red; the 
fan-tail entirely black; the wings hyaline, with the margins and transverse bar black, in certain situations 
glossed with blue, the apex somewhat violet ; the cilia brown; the legs blue-black ; the spurs yellowish, and 
the tarsi dirty white. The male differs in its smaller size and ciliated antenne. The larva is dirty white, 
subpubescent, with a brown head ; it feeds upon the wood of the plum and apple. The chrysalis is elongated 
and brown. 
This species is also far from common. It has, however, been taken in the woods round London, at 
Gravesend, and Dublin. Mr. Haworth did not discriminate it from the next species. 
.s pear Sneiomin fac olauatenlitke Einrant 
* I adopt this form in preference to Formiciforme, because I believe it has the priority. If it be more classical (“ Formica, not Formicus, being 
“er : . ” r ex - . . D spats T form) 
the generic name ; whence the present trivial name is derived,” as Mr. Newman informs us), I do not understand why the names Vesp?formis 
5 
and Tipuliformis should be retained. 
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