64 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 74 



Plate 2 



Fig. 35. Sympycnus filiformis, new species, hypopygium of male. 



36. Sympycnus filiformis, new species, fore tarsus of male. 



37. Sympycnus bipilus, new species, antenna of male. 



38. Sympycnus bipilus, new species, hind tarsus of male. 



39. N othosympycnus furcatus, new species, fore tarsus of male. 



40. Nothosympycmis furcatus, new species, middle tarsus of male. 



41. N othosympycnus unipilus, new species, fore tarsus of male. 



42. Neurigona banksi, new species, hypopygium of male. 



43. Neurigona maculipcnnis, new species, hypopygium of male. 



44. Thinophilus panamensis, new species, hypopygium of male. 



45. Medetera abrupta Van Duzee, fore tarsus of male. 



46. Medetera varipes, new species, fore tarsus of male. 



47. Medetera pollinosa, new species, fore tarsus of male. 



48. Medetera pollinosa, new species, last two joints of same. 



49. Medetera flavipes Van Duzee, fore tarsus of male. 



50. Medetera scaura, new species, fore tarsus of male. 



51. Medetera pallidicornis, new species, hypopygium of male. 



52. Medetera pollinosa, new species, hypopygial lamella of male. 



53. Thrypticus acuticauda, new species, hypopygium of male. 



54. Chrysotus contractus, new species, middle leg of male, 



55. Paraclius latitibia, new species, fore tibia of male. 



56. Paraclius fusiformis Becker, hypopj^gial lamella of male. 



57. Paraclius fusiformis, fore tibia of male. 



58. Paraclius fusiformis, middle tarsus of male. 



59. Paraclius acuticornis, new species, antenna of male. 



60. Paraclius acuticornis, antenna of female. 



61. Polymedon transversus, new species, hypopj'gium of male. 



62. Polymedon nigricornis, new species, antenna of male (inverted). 



63. Polymedon nigricornis, hypopygial lamella, showing the flattened bristles 



on inner surface. 



64. Polymedon nigricornis, same, showing the lamella with the flattening of 



bristles concealed. 



65. Polymedon nigricornis, second and third joints of middle tarsus of male, 



side view. 



66. Polymedon nigricornis, wing of male. 



67. Polymedon dilaticosta Van Duzee, wing of male. 



68. Polymedon partitus, new species, hypopygial lamella of male. 



69. Polymedon partitus, wing of male. 



70. Polymedon rubiginosus, new species, wing of female. 



71. Pelastoneurus maculitibia, new species, fore tarsus of male. 



72. Pelastoneurus acuticauda, new species, antenna of male. 



73. Pelastoneurus acuticauda, hypopygium of male. 



74. Pelastoneurus pectinatus, new species, hypopygial lamella of male. 



75. Keirosoma albicinctum, new species, antenna of male. 



76. Keirosoma albicinctum, tip of abdomen. 



77. Oedematopus crassitibia, new species, abdomen of male. 



78. Oedematopus crassitibia, posterior leg of male. 



o 



