Proceedings of the United States National Museum . O •! mm. 0-1 mm Figure 56.—Ophionmae:Campoplegini, head sclerites: a, Benjaminia fuscipennis (Pro-vancher); b, Charopsimorpha unicincta (Ashmead); c, Prochas theclae Walkley, newgenus, new species. (1, antenna; 2, spiracle; 3, skin.) ICHNEUMONID FINAL INSTAR LARVAE—SHORT 489 some species of Hyposoter are listed in a different part of tlie key fromothers. But the key is largely a compromise in that an attempt hasbeen made to fit the larval characters into a scheme of classificationbased on adult characters. A revision of the tribe in the light
Proceedings of the United States National Museum . O •! mm. 0-1 mm Figure 56.—Ophionmae:Campoplegini, head sclerites: a, Benjaminia fuscipennis (Pro-vancher); b, Charopsimorpha unicincta (Ashmead); c, Prochas theclae Walkley, newgenus, new species. (1, antenna; 2, spiracle; 3, skin.) ICHNEUMONID FINAL INSTAR LARVAE—SHORT 489 some species of Hyposoter are listed in a different part of tlie key fromothers. But the key is largely a compromise in that an attempt hasbeen made to fit the larval characters into a scheme of classificationbased on adult characters. A revision of the tribe in the light of bothlarval and adult characters would be the only satisfactory solution. Larval Key 1. Setae on body approximately equal in length to blade of mandible. Prochas Walkley, new genus 2*Setae on body much shorter than blade of mandible 2 2. Mandible as in figure 50a with no marked diflferentiation between base and blade Pyracmon Mandible with blade more slender than base 3 3. A lightly sclerotized plate is present lateral to each pleurostoma and hypo-
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
