| A catalogue of Philippine Hymenoptera CR Baltazar Pacific Insects Monograph 8, 1-488, 1966 | 216 | 1966 |
| The genera of parasitic Hymenoptera in the Philippines, Part 2 CR Baltazar Pacific Insects 6 (1), 15-67, 1964 | 58 | 1964 |
| Trichogrammatids in the Philippines. MC Alba | 37 | 1988 |
| Inventory of Philippine insects: 2. order Lepidoptera (Rhopalecera) CR Baltazar | 26* | 1991 |
| Reclassification of some Indo-Australian and African Braconinae, and Rogadinae (Braconidae, Hymenoptera). CR Baltazar | 26 | 1969 |
| Supplementary host list and checklist of Philippine plant pests. CR Baltazar Philippine Journal of Science 97 (2), 177-227, 1968 | 25 | 1968 |
| Import and export of biological control agents in the Philippines (1850-1960) CR Baltazar Philippine Journal of Agriculture 28 (1-2), 1-30, 1963 | 22 | 1963 |
| New generic synonyms in parasitic Hymenoptera CR Baltazar Philippine Journal of Science 90 (3), 391-395, 1961 | 22 | 1961 |
| The Philippine Pimplini, Pœmeniini Rhyssini, and Xoridini: Hymenoptera, Ichneumonidæ, Pimplinæ CR Baltazar (No Title), 1961 | 20 | 1961 |
| Philippine insects: an introduction CR Baltazar, NP Salazar (No Title), 1979 | 19 | 1979 |
| A biological Study of Empoasca flavescens Fabriclus (Cieadellidae, Homoptera). SM Cendana, CR Baltazar | 14 | 1947 |
| A new genus and nine new species of Philippine Braconidae (Hymenoptera) CR Baltazar Pacific Insects 5 (3), 577-589, 1963 | 13 | 1963 |
| Fruit flies in the Philippines: current status and future prospects RS Rejesus, CR Baltazar, EC Manoto Malaysian Agricultural Research and Development Institute Malaysia, 1991 | 12 | 1991 |
| Biological control attempts in the Philippines. CR Baltazar | 12 | 1980 |
| Ettchellsia philippinensis sp. nov.(Dinapsinae, Megalyridae, Hymenoptera) CR Baltazar The Philippine Journal of Science 90, 219-220, 1962 | 12 | 1962 |
| Some ecological studies on the coconut leafminer, Promecotheca cumingii Baly (Coleoptera: Hispidae) and its hymenopterous parasitoids in the Philippines. VC Gallego, CR Baltazar, EP Cadapan, RG Abad | 11 | 1983 |
| An inventory of Philippine Insects: Order Lepidoptera CR Baltazar NAST Entomology: UPLB, 1987 | 7 | 1987 |
| Eriostethus Morley and a new polysphinctine genus (Ichneumonidae, Hymenoptera) CR Baltazar Pacific Insects 6 (2), 388-401, 1964 | 6 | 1964 |
| New combinations in some Indo-Australian Agathidinae and description of a new genus CR Baltazar Acta Hymenoptera 2, 1-4, 1963 | 6 | 1963 |
| The rusty plum aphid in the Philippines. CR Baltazar | 5 | 1965 |
