SYN. Sphex Pensylvanica, _Linn. Syst. Nat._ 1. 2. 941. _Fabr. Syst. Piez._ 211. 15. (Pepsis v.) _Paul. Beauv. Ins. d'Afr. et d'Amer. Hym. pl._ 3 _fig._ 4. Sphex coerulea, _Drury, App. vol._ 2. (nec _Linn. Syst. N._) HABITAT: New York. Head and antennæ black. Ocelli distinct. Mouth furnished with jaws, but no tongue to be discerned. Thorax and abdomen dark mazarine blue, almost black; the former is hairy, and separated from the latter by a slender peduncle. Wings brown and thin. Legs dark blue; the fore ones with a single tibial spur, all the rest having two. PLATE XL. [Illustration] TRUXALIS BRASILIENSIS. Plate XL. fig. 1. ORDER: Orthoptera. SECTION: Saltatoria. FAMILY: Locustidæ. GENUS. TRUXALIS, _Fabr._ Gryllus P. _Drury_. TRUXALIS BRASILIENSIS. Elytris pallide fulvescentibus, vittâ longitudinali mediâ virescenti, nigro irregulariter marginatâ, alis hyalinis dimidio anali roseo. (Expans. Alar. 3 unc. 9 lin.) SYN. Gryllus brasiliensis, _Drury, App. vol._ 2. HABITAT: Rio Janeiro, Brazil. {86}Head long, conical; the mouth seeming placed in the breast. Eyes oblong, situated at the upper part near the extremity of the head; there is also an ocellus placed between them on the under side, which is observable in all those whose heads are shaped like this. Antennæ as long as the head, and shaped like a three-edged sword. Thorax striped with green, brown, and white. Abdomen light brown, and streaked with black at top, but on the sides white. Tegmina light sand-coloured; having in the middle a narrow longitudinal line, indented with green and black. Wings transparent, and prettily dappled; being of a beautiful red colour next the body, which becomes fainter as it approaches the disk of the wings. Hind legs long, and formed for leaping; the others are short. Tibiæ furnished with sharp spines. Fabricius refers this figure to the Truxalis nasutus Linn. which is found in Africa, and Mr. Smeathman also informed Mr. Drury that the species here figured is found in Africa, in the savannahs, and that its flight is very rapid. I have considered them on the contrary as specifically distinct. PHLOEA CORTICATA. Plate XL. fig. 2. ORDER: Hemiptera. SUBORDER: Heteroptera. SECTION: Geocorisa. FAMILY: Longilabres, _Latr._ Scutati, _Burm._ GENUS. PHLOEA, _St. Farg. & Serv., Lap._ Cimex, _Drury_. Phloeocoris, _Burmeister_. PHLOEA CORTICATA. Supra grisea, tuberculis multis rufo-fuscis subnitidis adspersa, subtus nigra appendiculis marginalibus griseis, laciniis capitis convergentibus. (Long. Corp. 11 lin.) SYN. Cimex corticatus, _Drury, App. vol._ 2. _Laporte Hemipt. p._ 56. (Phloea c.) _Burmeister Rh._ 2. 371. 1. (Phloeocoris c.) _Guérin Icon. R. An. Ins._ 55. _f._ 5. Phloea cassidoides, _St. F. & Serv. Enc. Méth._ 10. _p._ 111. Aradus laminatus, _Kirby & Spence Introd. to Ent._ 3. 617. & 718. HABITAT: Brazil.