Fifty-three species in six families occur in Micronesia. Kevan (1987) listed forty-three species, 20 of which were given as new but undescribed. Kevan (1990) listed eight species as introduced, seven of which were on his previous list, plus Mecopoda elongata (Linnaeus). Seven new species were described in the Conocephalidae, Phisidini, by Jin & Kevan (1992). Eighteen additional new species and a subspecies are described in this paper, seventeen by Vickery & Kevan and one by English & Kevan, nine in the Gryllacrididae: Niphetogryllacris marianae, N. tolensis, Anancistrogera palauensis, Neanias ogasawarensis, Prosopogryllacris palauensis, P. chuukensis, Melaneremus marianae marianae, M. m. rotaensis, M. saiensis, and M. kosraensis; two in the Rhaphidophoridae: Rhaphidophora ponapensis and Stonychophora palauensis; three in the Phaneropteridae: Casigneta palauensis, Isopsera yapanese and I. palauensis; one in the Mecopodidae: Ocica ponapensis English & Kevan; and three in the Conocephalidae: Spinisternum palauensis, Macroxiphus globiceratus and Salomona ponapensis. Nine species are added to the lists of Kevan (1987, 1990), including one described as new. Twenty-six species are known to be endemic in Micronesia.

In  1954, Dr. J.  Linsley Gressitt,  with the  help and  support  of Prof. T.  Esaki and  other  prominent  entomologists  throughout  the  Pacific, inititated  the  series Insects  of Micronesia. Its purpose  was to expand  our  knowledge of the  insects of this  region  through  revisionary  works  on  discrete  groups  and  publish  them  in fascicles within  a  proposed  series  of  20 volumes.  Volume  I  provides  a  general natural  history  of  Micronesia  and  remains  the  best  such  treatment   available. Volume  2 contains  a bibliography  of the  entomology  of this  area. 

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The Micronesian fauna of the genus Homoneura (Diptera: Lauxaniidae), comprising 18 species, is presented. Seven new species, H. bibaculigera, carolinensis, denticulimentula, longisetosa, notabilis, palauensis and prisca, are described, and six Oriental, one Polynesian and one Australian species are recorded for the first time. A key to the species is given.

The Tethinidae of Micronesia are revised based on study of over 2,000 specimens. The region contains 3 genera (Tethina, Dasyrhicnoessa, and Pseudorhicnoessa) and 8 species; 3 species are described as new: Dasyrhicnoessa  asymbasia, n. sp., D.  boninensis, n. sp., and D. phyllodes, n. sp. A key to the genera and  species is provided. 

The Micronesian fauna of 3 subfamilies, Sciapodinae, Medeterinae and Sympycninae (part) (Diptera:  Dolichopodidae)  comprises 29 species of which  15 are  newly described: Chrysosoma guamense,  C. yapense,  C.  townesi,  C. kusaiense,  C. agrihan,  C.  clarkei,  C.  mariana, C. pelagica (also from the  Philippines), Krakatauia  micronesiana, Amblypsilopus sabroskyi, A. ponapensis, A. belauensis, A.  trukensis,  Medetera babelthaup, and Syntormon  boninense. Keys are provided, and the key to Chrysosoma includes all described Micronesian,  Polynesian, and eastern  Melanesian  species. 

The Micronesian  fauna  of Pterophoridae  (Lepidoptera)  comprising  11 species belonging  to  2  subfamilies is  presented.  Ten  species among  them  are  redescribed  or  illustrated  based  on  about  200  specimens. One  species, Lantanophaga  pusillidactyla has  been introduced  to several islands to control  the weed Lantana  camara. A key to the species is provided.