ACANTHODIS. 407 



2. Acanthodis humilis, Brunn. 



Acanthodis humilis, Brunn. v. W. Monogr. der Pseudophyll. p. 111. 

 Hab. 1 Costa Rica. 



3. Acanthodis unispinosa, Brunn. 



Acanthodis unispinosa, Brunn. v. W. Monogr. der Pseudophyll. p. 111. 

 Hab. Guatemala, Vera Paz (Mus. Berol.). 



4. Acanthodis Cristulata, Brunn. (Tab. XX. figg. 2, 3.) 



Acanthodis cristulata, Brunn. v. W. Monogr. der Pseudophyll. p. 112. 



Statura minore. Fulvescens vel rufescens. Antennae inaequaliter nigro-annulatae. Pronotum margine antico 

 granuloso, in medio in processum spiniformein compressum, elevato-tuberculatum ac obtuse dentatum 

 elevafcum, utrinque pone marginem spina divergente armatum ; prozona insuper in disco utrinque tuberculo 

 prominulo instructa ; metazona lata, planula, utrinque vix rellexa, margine postico § rotundato, 

 <$ parabolico, toto longe multi-spinoso. Elytra concoloria, plagis nitidis nigris conspersa, abdomen paulum 

 superantia, basi lata, apice valde attenuata. Alee semiorbiculares, infuscatae, venulis transversis congre- 

 gatis et colore pallido circumdatis. Sternum concolor. Pedes modice longi. Femora anteriora subtus 

 3-spinosa ; intermedia 4-spinosa ; postica spinis longis teretibus 6 armata. Tibisa anticse infra foramina 

 utrinque lobo trigonali instructae marginibusque foraminum lobatis, necnon supra margines in medio 

 utrinque tuberculo obsoleto praeditae. Tibiae intermediae superne utrinque trilobati ; lobis trigonalibus ; 

 posticis acutis. Tibiae posticae spinis trigonalibus acutis, apice arcuatis, supra utrinque 7-8 armatis. 

 Abdomen laevigatum, segmentis supra apice leviter dentatis. 



$ . Ovipositor basi rectus, ultra medium leviter arcuatus, valde attenuatus ac niger. Lamina infra-genitalis 

 triangularis, apice minim e incisa. 



c? . Minor. Elytra breviora. Segmentum anale supra incisum. Lamina supra-analis trigonalis, rotundata. 

 Lamina infra-genitalis compressa, incisa ; stylis longissimis teretibus instructa. 



Larvae. Larvae quam imagines magis spinosae ; abdominis segmentis supra spinis longis arcuatis armatis ; 

 pronoti metazona brevi, valde transversa. 



2 . Long. corp. 28 ; pronot. 11 ; femor. post. 20 ; ovipos. 13 millim. 



S . Long. corp. 24*5 ; pronot. 10 ; elytr. 16*5 ; femor. post. 13 millim. 



Figures : — Fig. 2, the female insect. — Fig. 3, its ovipositor. 



Hal. Nicakagua, Chontales (Janson) ; Panama, Volcan de Chiriqui 2000 to 3000 feet 

 (Champion). 



Brunner's original description was made from a larva from an unknown locality. 



5. Acanthodis variegata, Brunn. 



Acanthodis variegata, Brunn. v. W. Monogr. der Pseudophyll. p. 112. 



Hab. Mexico (Mus. Berol.). :<■••• 



Unknown to us. 



[6. Acantnodis modesta, Brunn. 



Acanthodis modesta, Brunn. v. W. Monogr. der Pseudophyll. p. 113. 

 Hab. Colombia, Medellin.] 



