. Travels amongst the great Andes of the equator . was one inch inlength, with unusually largeforceps. From the lowcountry I have a speciesone inch and a half inlength. Examples of the verycurious insects called Phas-mas were taken on the Plainof Tumbaco, in the basin ofMachachi, at La Dormida,Cayambe, and as high as 13,000 feet (in the woods) on Pichincha. Their close resemblanceto sticks and twigs causes them to be readily overlooked, and manynatives in the interior had never seen them. They have, however,the local name Cdballo de palo. Xeuroptera.—Dragon-flies and May-flies were numerous in
. Travels amongst the great Andes of the equator . was one inch inlength, with unusually largeforceps. From the lowcountry I have a speciesone inch and a half inlength. Examples of the verycurious insects called Phas-mas were taken on the Plainof Tumbaco, in the basin ofMachachi, at La Dormida,Cayambe, and as high as 13,000 feet (in the woods) on Pichincha. Their close resemblanceto sticks and twigs causes them to be readily overlooked, and manynatives in the interior had never seen them. They have, however,the local name Cdballo de palo. Xeuroptera.—Dragon-flies and May-flies were numerous insome parts of the interior, especially in the basin of greatest elevation at which they were obtained was on thetrack from Machachi to Pedregal (the pass between Pasochoa andRuminahui). Dragon-flies were seen higher than 12,000 feet onPichincha and Cotocachi. Hymexoptera.—The Ants alone have been worked out,—byMr. Peter Cameron; whose contribution will be found at of the Supplementary Appendix. The set specimens of the. EARWIG FROM 13,353 FEET ON CHIMBORAZO. 356 TRAVELS AMONGST THE GREAT ANDES, chap. xix. remainder, have been compared with the collections in the British (Natural History) Museum, and it is found that the following families and genera are included amongst them. The Tenth redinidie are represented by ;i species of Strongylogaster. There arc several species of Ichneumonidce, apparently belonging- to thegenera Ichneumon, Jlesostenus, Ophion, Hemiteles, Cryptus. Echthrus, andLissonota (?). There is a single small species belonging to the family Chrysididce. The Dorylidce are represented by a single species, apparently belongingto Labidus. In Scoliidcp there are three handsome species of Dielis. In Pompilidce several species belonging to the genera Pompilus and Pepsiswere obtained. In Sphegidce there are two species of Sphex. The Vespidce are represented by species of Polistes and Polybia. The greater part of the collection, however, consis
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